Lexicon :: Strong's G586 - apodekatoō

ἀποδεκατόω, -ῶ, infinitive present ἀποδεκατοῖν, Hebrews 7:5 T Tr WH (cf. Delitzsch at the passage; Buttmann, 44 (38); [Tdf.'s note at the passage; WH. Introductory § 410]); (δεκατόω which see); a Biblical and ecclesiastical word; Sept. for עָשַׂר; to tithe i. e.
1. with the accusative of the thing, to give, pay, a tenth of anything: Matthew 23:23; Luke 11:42; Luke 18:12 where T WH, after manuscripts א* B only, have adopted ἀποδεκατεύω, for which the simple δεκατεύω is more common in Greek writings; (Genesis 28:22; Deuteronomy 14:21 (Deuteronomy 14:22)).
2. τινά, to exact, receive, a tenth from anyone: Hebrews 7:5; (1 Samuel 8:15, 17). [B. D. under the word Tithe.]

Related entry:

ἀποδεκατεύω, Luke 18:12, for ἀποδεκατόω which see; [cf. WH. App. p. 171].