αἰὲν ἀριστεύειν καὶ ὑπείροχον ἔμμεναι ἄλλων → always strive for excellence and prevail over others (Iliad 6.208, 11.784)
-α, -ονaquemenio, persa δῆριν Ἀχαιμενίην AP 6.332 (Hadr.).
Ἀχαιμένιος: (ᾰχ) досл. ахеменов, перен. персидский Anth.