Where does “perfia” come from?

perfia (Old Portuguese) comes from Latin perfidia, from Latin perfidus, from Latin per, from Latin Ad, from Latin illic, from Latin ille, from Latin olle, from Proto-Italic *olnos — that.

Ancestry of “perfia”, step by step

StepLanguageWordMeaning
1Latinperfidiafaithlessness, dishonesty, treachery, falsehood,...
2LatinperfidusThat breaks his promise; faithless, false,...
3Latinperthrough, by means of; throughout, during
4LatinAdtoward, to
5Latinilliche, she, it, yonder, that, overthere; in that...
6Latinillethat; those; "; demonstrative pronoun "; that...
7LatinolleArchaic form of ille
8Proto-Italic*olnosthat

Words derived from “perfia

Every word from Proto-Italic *olnosEvery word from Latin olleEvery word from Latin ille