Ἀχαιμένιος

From LSJ

αἰὲν ἀριστεύειν καὶ ὑπείροχον ἔμμεναι ἄλλων → always strive for excellence and prevail over others (Iliad 6.208, 11.784)

Source

Spanish (DGE)

-α, -ον
aquemenio, persa δῆριν Ἀχαιμενίην AP 6.332 (Hadr.).

Russian (Dvoretsky)

Ἀχαιμένιος: (ᾰχ) досл. ахеменов, перен. персидский Anth.