ξυνῆλθεν ἀτταγᾶς τε καὶ νουμήνιος → birds of a feather flock together, the francolin and the new-moon bird get together
perfection: P. and V. ἀκμή, ἡ.
years of maturity: Ar. and P. ἡλικία, ἡ.
prime: P. and V. ὥρα, ἡ, ἥβη, ἡ, ἀκμή, ἡ.
come to maturity: see mature, v.