Extended Strong's Greek Lexicon (Abbott-Smith based)
to hold back/fast
Usage: κατ-έχω [in LXX for אָחַז, חָזַק hi., etc. ;] __1. perfective of ἔχω (M, Pr., 116; M, Th., 155), __(a) to possess, hold fast: Luk.8:15, Jhn.5:4, Rom.1:18 (Lft., Notes, 251), 1Co.7:30 11:2, 2Co.6:10, 1Th.5:21, Heb.3:6, 14 10:23; __(b) to lay hold of, get possession of: Luk.14:9. __2. to hold back, detain, restrain (M, Th., 156 f.): with accusative before τοῦ μή with inf., Luk.4:42; before πρός, with accusative, Phm 13; absol., τὸ κατέχον (ὁ κ.), 2Th.2:6-7. __3.
Intrans., as nautical term, to put in, make for (LS, see word): Act.27:40.† (AS)