Where does “nivico” come from?

nivico (Vulgar Latin) comes from Latin nivo, from Latin nix, from Latin -eus, from Ancient Greek -εῖος, from Proto-Indo-European -iHwós, from Proto-Indo-European -wós — Creates adjectives from verb stems.

nivico (Vulgar Latin): I snow

Definitions

I snow

Ancestry of “nivico”, step by step

Step	Language	Word	Meaning
1	Latin	nivo	I snow
2	Latin	nix	snow; white hair
3	Latin	-eus	argentum + API → argenteus; ferrum + API →...
4	Ancient Greek	-εῖος	Forms adjectives, usually with a meaning of "of"...
5	Proto-Indo-European	-iHwós	—
6	Proto-Indo-European	-wós	Creates adjectives from verb stems

Every word from Proto-Indo-European -wós →Every word from Latin -eus →Every word from Ancient Greek -εῖος →