δεκατ-εύω · dekat-euō — LSJ
exact tithe from, τινά D. 22.77; τὰς πόλεις Jusj. ap. Lycurg. 81; τούτους δεκατεῦσαι τῷ ἐν Δελφοῖσι θεῷ make them pay a tithe to Apollo, Hdt. 7.132; of things, δ. τὰ ἐξ ἀγροῦ ὡραῖα tithe them (as an offering) . ., X. An. 5.3.9; δ. τοὺς Θηβαίους τοῖς θεοῖς Plb. 9.39.5:—Pass., ἀναγκαίως ἔχει [τὰ χρήματα] δεκατευθῆναι τῷ Διΐ Hdt. 1.89; ἐλπὶς ἦν δεκατευθῆναι τὰς Θήβας, i.e. that it would be taken and tithed, X. HG 6.3.20, 5.35.
abs., to be a δεκατευτής, Ar. Fr. 455.
in war, take out the tenth man for execution, decimate, D.C. 48.42, etc.
divide into ten sections, τινάς App. BC 1.49.
= ἀρκτεύω, Lys. Fr. 250S., D. ap. Harp.
metaph. in Astrol., to be superior to, Man. 6.279.