Where does “unicamente” come from?

unicamente (Portuguese) comes from Portuguese único, from Latin ūnicus, from Latin ūnus, from Old Latin oinos, from Proto-Italic oinos, from Proto-Indo-European óynos — one; single.

unicamente (Portuguese): uniquely; only, solely

Definitions

uniquely; only, solely

Ancestry of “unicamente”, step by step

Step	Language	Word	Meaning
1	Portuguese	único	unique; only
2	Latin	ūnicus	only, sole, single
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

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