Dictionary entry

δέκατος

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

δέκατος, -η, -ον

(< δέκα), [in LXX for מַעֲשֵׂר and cognate forms;]

tenth: Jo 1:40, Ac 19:9 (WH, txt., RV omit), Re 11:13; 21:20.†