δεκάτη, -ης, ἡ prop. fem. (sc. μέρος) of δέκατος, -η, -ον, [in LXX for מַעֲשֵׂר: Gen.14:20, Neh.12:44, and al. ;] a tenth part, a tithe: Heb.7:2, 4; 8, 9 (for a curious inversion of the Biblical use, see MM, see word).† (AS)
STRONG'S WORD STUDY
G1181 — δεκάτη
dekatē · tenth · Greek