P. and V. ὄνος, ὁ or ἡ.
pack ass: Ar. κάνθων, ὁ, κανθήλιος, ὁ, P. ὄνος κανθήλιος, ὁ.
as term of reproach: use fool.
of an ass, adj.: Ar. ὄνειος.