Where does “illus” come from?

illus (Vulgar Latin) comes from Latin ille, from Latin olle, from Proto-Italic *olnos — that.

Ancestry of “illus”, step by step

StepLanguageWordMeaning
1Latinillethat; those; "; demonstrative pronoun "; that...
2LatinolleArchaic form of ille
3Proto-Italic*olnosthat

Words derived from “illus”

Every word from Proto-Italic *olnos →Every word from Latin olle →Every word from Latin ille →