Where does “năsoi” come from?

năsoi (Romanian) comes from Romanian naș, from Latin nāsus, from Latin -ō, from Proto-Indo-European -ō — Derives nouns from roots.

Ancestry of “năsoi”, step by step

Step	Language	Word	Meaning
1	Romanian	naș	godfather
2	Latin	nāsus	The nose
3	Latin	-ō	suffixed to nouns or adjectives. Originally a-stem nouns. Later extended to nouns with other stems. Forms regular first-conjugation verbs
4	Proto-Indo-European	-ō	Derives nouns from roots