Abbott-Smith Manual Greek Lexicon
ὄνος (G3688)
5 ὄνος , -ου, ὁ, ἡ , [in LXX chiefly for חֲמוֹר , also for אָתוֹן , etc.;] an ass : Mt 21:2 , 5 (LXX) , Lk 14:5 , Jo 12:15 (LXX) ; ὁ , Lk 13:15 ; ἡ , Mt 21:7 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain