Where does “perfidiōsus” come from?

perfidiōsus (Latin) 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.

perfidiōsus (Latin): treacherous, perfidious

Definitions

  1. treacherous, perfidious

Ancestry of “perfidiōsus”, 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 “perfidiōsus

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