Extended Strong's Greek Lexicon (Abbott-Smith based)
to tithe
Usage: ἀπο-δεκατοω, [in LXX for עָשַׂר in both senses foll., e.g. (1) Gen.28:22 (2) 1Ki.8:15 ;] __1. with accusative of thing(s), to tithe, pay a tenth of: Mat.23:23, Luk.11:42. __2. C. accusative of person(s), to exact tithes from: Heb.7:5. __3. to decimate (Socr., HE, 573 A; see Kennedy, Sources, 117).† (AS)