Where does “vôsso” come from?

vôsso (Macanese) comes from Portuguese vosso, from Old Portuguese vosso, from Latin vossus, from Latin voster, from Latin vester, from Proto-Italic westeros, from Proto-Indo-European -teros — Contrastive or oppositional adjectival suffix.

vôsso (Macanese): your second-person singular possessive pronoun

Definitions

your second-person singular possessive pronoun

Ancestry of “vôsso”, step by step

Step	Language	Word	Meaning
1	Portuguese	vosso	Second-person plural possessive pronoun
2	Old Portuguese	vosso	—
3	Latin	vossus	—
4	Latin	voster	Alternative form of vester; your, plural...
5	Latin	vester	your, yours, of you
6	Proto-Italic	westeros	your
7	Proto-Indo-European	-teros	Contrastive or oppositional adjectival suffix

Every word from Proto-Indo-European -teros →Every word from Proto-Italic westeros →Every word from Latin vester →