ἀμνά

From LSJ

γνοίης ὅσσον ὄνων κρέσσονες ἡμίονοι → you know how much better are donkeys from mules

Source

Greek (Liddell-Scott)

ἀμνά: ἡ, = ἀμνή, Ἐπιγρ. Κῶ BCH, V, σ. 217.