Where does “vossa mercee” come from?

vossa mercee (Old Portuguese) comes from Latin vostra, from Latin voster, from Latin vester, from Proto-Italic westeros, from Proto-Indo-European -teros — Contrastive or oppositional adjectival suffix.

Ancestry of “vossa mercee”, step by step

StepLanguageWordMeaning
1LatinvostraAlternative form of vestra
2LatinvosterAlternative form of vester; your, plural...
3Latinvesteryour, yours, of you
4Proto-Italicwesterosyour
5Proto-Indo-European-terosContrastive or oppositional adjectival suffix

Words derived from “vossa mercee”

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