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Strong's Concordance
Greek Word Study

Strong's G2520 καθήκω (katheko)

Katheko means “convenient” — full meaning, definition, and every linked Bible usage across the indexed canon.

Same number, other testament: Strong's H2520 — chelqath (“Helkath”) in the Hebrew Bible.

Strong's Number G2520
Language Greek
Linked Usages 31
Books 16

Strong's G2520 Quick Answer

Strong's G2520 καθήκω (katheko) is a Greek Strong's word-study entry. katheko (kath-ay'-ko) v. 1. to reach to 2. (neuter of present active participle, figuratively as adjective) becoming It has 31 linked Bible usages across 16 books. Visible English usage signals include fit and convenient. Indexed coverage on this page includes New Testament, Septuagint / Greek Old Testament, and Deuterocanonical / Apocrypha.

Meaning
katheko (kath-ay'-ko) v. 1. to reach to 2. (neuter of present active participle, figuratively as adjective) becoming
Usage
31 linked usages
Books
16 indexed books
Corpus
New Testament, Septuagint / Greek Old Testament, and Deuterocanonical / Apocrypha
Usage Words
fit and convenient

Meaning and Definition

katheko (kath-ay'-ko) v. 1. to reach to 2. (neuter of present active participle, figuratively as adjective) becoming [from G2596 and G2240] KJV: convenient, fit Root(s): G2596, G2240

Original Word
καθήκω
Transliteration
katheko
Derivation
Root: ἥκω R1: 2596 R2: 2240
Morphology
verb

Across Lexicons

How independent scholarly lexicons define Strong's G2520. Each definition is shown with its source so you can compare and cite the original reference works.

Extended Strong's Greek Lexicon (Abbott-Smith based)

be fit

Usage: καθ-ήκω [in LXX: impers., Lev.5:16, Eze.21:27 (32), al. (מִשְׁפָּט); τὰ κ., Exo.5:13, al. (דָבַר), etc. ;] __1. to come down, come to. __2. to be fit, proper: impers., with accusative and inf., Act.22:22 (on the tense, see Bl., § 63, 4); τὰ μὴ καθήκοντα, Rom.1:28.† (AS)

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How Strong's G2520 Is Translated

The English word each shown verse actually uses to render katheko, taken from the interlinear word alignment (the same word underlined in the excerpts below). Where a rendering is used more than once, the count is shown.

convenient Romans 1:28 fit Acts 22:22

How Strong's G2520 Usage Compares

Indexed coverage includes Deuterocanonical / Apocrypha, Septuagint / Greek Old Testament, and New Testament. Each section below keeps corpus counts and sample passages visible so readers can compare the word across contexts instead of reading one flat concordance list.

  • The largest indexed corpus on this page is Deuterocanonical / Apocrypha with 16 linked usages.
  • This page lets readers compare New Testament usage with Septuagint / Greek Old Testament usage, which is a key THF advantage over narrower Strong's pages.
  • Deuterocanonical / Apocrypha rows are counted separately so readers can decide how those texts relate to the main word study.

In the Septuagint (LXX)

Strong's G2520 (καθήκω) appears 29 times in the Greek Septuagint — the Old Testament the New Testament authors quoted.

Sample Septuagint occurrences:

Read the full Greek Septuagint interlinear with Strong's →

Strong's G2520 by Corpus

Indexed usage grouped by testament and extended corpus so readers can compare this word across the Bible, Septuagint, deuterocanonical books, and 1 Enoch where present.

Strong's G2520 in the New Testament

2 indexed usages in New Testament.

Acts 22:22 KJV

And they gave him audience unto this word, and then lifted up their voices, and said, Away with such a fellow from the earth: for it is not fit that he should live.

Romans 1:28 KJV

And even as they did not like to retain God in their knowledge, God gave them over to a reprobate mind, to do those things which are not convenient;

Strong's G2520 in the Septuagint / Greek Old Testament

13 indexed usages in Septuagint / Greek Old Testament.

Genesis 19:31 Septuagint / Brenton

And the elder said to the younger, Our father is old, and there is no one on the earth who shall come in to us, as it is fit in all the earth.

Exodus 5:13 Septuagint / Brenton

And the taskmasters hastened them, saying, Fulfill your regular daily tasks, even as when straw was given you.

Exodus 5:19 Septuagint / Brenton

And the accountants of the children of Israel saw themselves in an evil plight, men saying, Ye shall not fail to deliver the daily rate of the brickmaking.

Strong's G2520 in the deuterocanonical books / Apocrypha

16 indexed usages in Deuterocanonical / Apocrypha.

1 Esdras 1:13 Septuagint / Brenton

and set them before all the people: and afterward they prepared for themselves, and for the priests their brethren, the sons of Aaron.

Judith 11:13 Septuagint / Brenton

and are resolved to spend the firstfruits of the corn, and the tenths of wine and oil, which they had sanctified, and reserved for the priests that serve in Jerusalem before the face of our God; the which things it is not lawful for any of the people so much as to touch with their hands.

Tobit 6:13 Septuagint / Brenton

Then the young man answered the angel, I have heard, brother Azariah, that this maid hath been given to seven men, who all died in the marriage chamber.

Usage Excerpts

First 31 linked usage excerpts for Strong's G2520.

Genesis 19:31 Septuagint / Greek Old Testament, Septuagint / Brenton
And the elder said to the younger, Our father is old, and there is no one on the earth who shall come in to us, as it is fit in all the earth.
Exodus 5:13 Septuagint / Greek Old Testament, Septuagint / Brenton
And the taskmasters hastened them, saying, Fulfill your regular daily tasks, even as when straw was given you.
Exodus 5:19 Septuagint / Greek Old Testament, Septuagint / Brenton
And the accountants of the children of Israel saw themselves in an evil plight, men saying, Ye shall not fail to deliver the daily rate of the brickmaking.
Exodus 16:16 Septuagint / Greek Old Testament, Septuagint / Brenton
This is the bread which the Lord has given you to eat. This is that which the Lord has appointed: gather of it each man for his family, an omer for each person, according to the number of your souls, gather each of you with his fellow lodgers.
Exodus 16:18 Septuagint / Greek Old Testament, Septuagint / Brenton
And having measured the omer full, he that had gathered much had nothing over, and he that had gathered less had no lack; each gathered according to the need of those who belonged to him.
Exodus 16:21 Septuagint / Greek Old Testament, Septuagint / Brenton
And they gathered it every morning, each man what he needed, and when the sun waxed hot it melted.
Exodus 36:1 Septuagint / Greek Old Testament, Septuagint / Brenton
And Bezalel wrought, and Oholiab and everyone wise in understanding, to whom was given wisdom and knowledge, to understand to do all the works according to the holy offices, according to all things which the Lord appointed.
Leviticus 5:10 Septuagint / Greek Old Testament, Septuagint / Brenton
And he shall make the second a whole burnt offering, as it is fit; and the priest shall make atonement for his sin which he has sinned, and it shall be forgiven him.
Leviticus 9:16 Septuagint / Greek Old Testament, Septuagint / Brenton
And he brought the whole burnt offering, and offered it in due form.
Deuteronomy 21:17 Septuagint / Greek Old Testament, Septuagint / Brenton
But he shall acknowledge the firstborn of the hated one to give to him double of all things which shall be found by him, because he is the first of his children, and to him belongs the birthright.
1 Kingdoms 2:16 Septuagint / Greek Old Testament, Septuagint / Brenton
And if the man that sacrificed said, First let the fat be burned, as it is fit, and take for thyself of all things which thy soul desires: then he would say, Nay, for thou shalt give it me now; and if not, I will take it by force.
Ezekiel 21:32 Septuagint / Greek Old Testament, Septuagint / Brenton
Injustice, injustice, injustice, will I make it: woe to it: such shall it be until he comes to whom it belongs; and I will deliver it to him.
Hosea 2:7 Septuagint / Greek Old Testament, Septuagint / Brenton
And their mother went a-whoring: she that bore them disgraced them: for she said, I will go after my lovers, that give me my bread and my water, and my garments, and my linen clothes, my oil and all my necessaries.
Acts 22:22 New Testament, KJV
And they gave him audience unto this word, and then lifted up their voices, and said, Away with such a fellow from the earth: for it is not fit that he should live.
Romans 1:28 New Testament, KJV
And even as they did not like to retain God in their knowledge, God gave them over to a reprobate mind, to do those things which are not convenient;
1 Esdras 1:13 Deuterocanonical / Apocrypha, Septuagint / Brenton
and set them before all the people: and afterward they prepared for themselves, and for the priests their brethren, the sons of Aaron.
Judith 11:13 Deuterocanonical / Apocrypha, Septuagint / Brenton
and are resolved to spend the firstfruits of the corn, and the tenths of wine and oil, which they had sanctified, and reserved for the priests that serve in Jerusalem before the face of our God; the which things it is not lawful for any of the people so much as to touch with their hands.
Tobit 6:13 Deuterocanonical / Apocrypha, Septuagint / Brenton
Then the young man answered the angel, I have heard, brother Azariah, that this maid hath been given to seven men, who all died in the marriage chamber.
Tobit 7:10 Deuterocanonical / Apocrypha, Septuagint / Brenton
for it is meet that thou shouldest marry my daughter: nevertheless I will declare unto thee the truth.
1 Maccabees 10:36 Deuterocanonical / Apocrypha, Septuagint / Brenton
I will further, that there be enrolled among the king’s forces about thirty thousand men of the Jews, unto whom pay shall be given, as belongeth to all the king’s forces.
1 Maccabees 10:39 Deuterocanonical / Apocrypha, Septuagint / Brenton
As for Ptolemais, and the land pertaining thereto, I give it as a free gift to the sanctuary at Jerusalem for the necessary expenses of the sanctuary.
1 Maccabees 12:11 Deuterocanonical / Apocrypha, Septuagint / Brenton
We therefore at all times without ceasing, both in our feasts, and other convenient days, do remember you in the sacrifices which we offer, and in our prayers, as reason is, and as it becometh us to think upon our brethren:
2 Maccabees 2:30 Deuterocanonical / Apocrypha, Septuagint / Brenton
To stand upon every point, and go over things at large, and to be curious in particulars, belongeth to the first author of the story:
2 Maccabees 4:19 Deuterocanonical / Apocrypha, Septuagint / Brenton
this ungracious Jason sent special messengers from Jerusalem, who were Antiochians, to carry three hundred drachmas of silver to the sacrifice of Hercules, which even the bearers thereof thought fit not to bestow upon the sacrifice, because it was not convenient, but to be reserved for other charges.
2 Maccabees 6:4 Deuterocanonical / Apocrypha, Septuagint / Brenton
for the temple was filled with riot and reveling by the Gentiles, who dallied with harlots, and had to do with women within the circuit of the holy places, and besides that brought in things that were not lawful.
2 Maccabees 6:21 Deuterocanonical / Apocrypha, Septuagint / Brenton
But they that had the charge of that wicked feast, for the old acquaintance they had with the man, taking him aside, besought him to bring flesh of his own provision, such as was lawful for him to use, and make as if he did eat of the flesh taken from the sacrifice commanded by the king;
2 Maccabees 11:36 Deuterocanonical / Apocrypha, Septuagint / Brenton
But touching such things as he judged to be referred to the king, after ye have advised thereof, send one forthwith, that we may declare as it is convenient for you: for we are now going to Antioch.
2 Maccabees 14:31 Deuterocanonical / Apocrypha, Septuagint / Brenton
But the other, knowing that he was notably prevented by Judas’ policy, came into the great and holy temple, and commanded the priests, that were offering their usual sacrifices, to deliver him the man.
3 Maccabees 1:11 Deuterocanonical / Apocrypha, Septuagint / Brenton
And when they told him that this was not permissible, none of the nation, no, nor even the priests in general, but only the supreme high priest of all, and he only once in a year, being allowed to go in, he would by no means give way.
3 Maccabees 4:16 Deuterocanonical / Apocrypha, Septuagint / Brenton
The king was filled with great and constant joy, and celebrated banquets before the temple idols. His erring heart, far from the truth, and his profane mouth, gave glory to idols, deaf and incapable of speaking or aiding, and uttered unworthy speech against the Greatest God.
Wisdom of Sirach 10:23 Deuterocanonical / Apocrypha, Septuagint / Brenton
It is not meet to despise the poor man that hath understanding; Neither is it convenient to magnify a sinful man.

All Indexed Usage Links

Every indexed verse link for Strong's G2520, grouped by book.

Genesis 1 usage, Septuagint / Greek Old Testament
Exodus 6 usages, Septuagint / Greek Old Testament
Leviticus 2 usages, Septuagint / Greek Old Testament
Deuteronomy 1 usage, Septuagint / Greek Old Testament
1 Kingdoms 1 usage, Septuagint / Greek Old Testament
Ezekiel 1 usage, Septuagint / Greek Old Testament
Hosea 1 usage, Septuagint / Greek Old Testament
Acts 1 usage, New Testament
Romans 1 usage, New Testament
1 Esdras 1 usage, Deuterocanonical / Apocrypha
Judith 1 usage, Deuterocanonical / Apocrypha
Tobit 2 usages, Deuterocanonical / Apocrypha
1 Maccabees 3 usages, Deuterocanonical / Apocrypha
2 Maccabees 6 usages, Deuterocanonical / Apocrypha
3 Maccabees 2 usages, Deuterocanonical / Apocrypha
Wisdom of Sirach 1 usage, Deuterocanonical / Apocrypha

Strong's G2520 FAQ

What does katheko (καθήκω) mean?

Katheko (Strong's G2520) is a Greek word most simply glossed "convenient". katheko (kath-ay'-ko) v. 1. to reach to 2. (neuter of present active participle, figuratively as adjective) becoming

How many times is katheko (καθήκω) used in the Bible?

This page currently indexes 31 linked usages for Strong's G2520 across 16 books.

Where can I study katheko (καθήκω) in context?

Use the linked verse references on this page to study Strong's G2520 in context. The indexed coverage includes New Testament, Septuagint / Greek Old Testament, and Deuterocanonical / Apocrypha.

What English words translate katheko (καθήκω)?

The visible usage excerpts most often surface English words such as fit and convenient. These are scanning signals from the displayed verses, not replacements for the original-language definition.

Does Strong's G2520 appear in the Septuagint or deuterocanonical books?

Yes. The current local index includes 13 in Septuagint / Greek Old Testament and 16 in Deuterocanonical / Apocrypha for Strong's G2520, with linked reader references where each row is available.