Where does “unicorno” come from?

unicorno (Italian) comes from Latin ūnicornis, from Latin ūni-, from Latin ūnus, from Old Latin oinos, from Proto-Italic oinos, from Proto-Indo-European óynos — one; single.

unicorno (Italian): one-horned; unicorn; narwhal

Definitions

one-horned; unicorn; narwhal

Ancestry of “unicorno”, step by step

Step	Language	Word	Meaning
1	Latin	ūnicornis	One-horned
2	Latin	ūni-	one; uni
3	Latin	ūnus	one, single
4	Old Latin	oinos	one
5	Proto-Italic	oinos	cardinal number 1 Previous: n/a Next: *duō;...
6	Proto-Indo-European	óynos	one; single

Words derived from “unicorno”

alicorn
liocorno
alicorno

Every word from Proto-Indo-European óynos →Every word from Proto-Italic oinos →Every word from Old Latin oinos →