δεκαέτηρος

ον, Subst., ἡ

ἔτος

A. ten-yearly: χρόνος δ. a space of ten years. Pl. Lg. 772b codd.:— fem. δεκα‐ετηρὶς πανήγυρις D.C. 57.24: more freq. as Subst., period of ten years, prob. in Pl.l.c., Vett. Val.252.9, OGI 722 (Egypt, iv A.D.):— also δεκα‐ετηρία, ἡ, title of Orphic work, Suid.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project