ἑπταέτης

English (LSJ)

ες, of seven years; neut. ἑπτάετες, as adverb, for seven years, Od. 3.304, 7.259.

English (Autenrieth)

(ϝέτος): only neut., ἑπτάετες, seven years. (Od.)

Middle Liddell

ἑπταέτης, ες
of seven years: neut. ἑπτάετες as adv. for seven years, Od.