δεκαδεύς
From LSJ
Περὶ τοῦ ἐπέκεινα τοῦ νοῦ κατὰ μὲν νόησιν πολλὰ λέγεται, θεωρεῖται δὲ ἀνοησίᾳ κρείττονι νοήσεως → On the subject of that which is beyond intellect, many statements are made on the basis of intellection, but it may be immediately cognised only by means of a non-intellection superior to intellection
English (LSJ)
έως, ὁ,
A one of a decury, X.Cyr.2.2.30. II chairman of a board of ten, in acc. sg. δεκαδῆ, IG4.748.21 (Troezen).
German (Pape)
[Seite 542] ὁ, zu einer Decurie gehörend, Xen. Cyr. 2, 2, 30.