rhinoceros
n.
c.1300, from Latin rhinoceros, from Greek rhinokeros, literally "nose-horned," from rhinos "nose" (a word of unknown origin) + keras "horn" (see kerato-). Related: Rhinocerotic.
What is the plural of rhinoceros? ... Well, Liddell and Scott seem to authorize 'rhinocerotes,' which is pedantic, but 'rhinoceroses' is not euphonious. [Sir Charles Eliot, "The East Africa Protectorate," 1905]
〔李〕[rhin;-ocerosn.] n.犀牛 ←rhin (GK rhinos)=nose 鼻
〔李〕n.犀牛 [cer=horn] ←rhino-[GK] =nose鼻