Where does “*-lu” come from?

*-lu (Old Romanian) comes from Latin illum, from Latin ille, from Latin olle, from Proto-Italic *olnos — that.

Ancestry of “*-lu”, step by step

*-lu traces back through two separate lines of ancestry.

via Latin illum

StepLanguageWordMeaning
1Latinillumaccusative masculine singular of ille
2Latinillethat; those; "; demonstrative pronoun "; that...
3LatinolleArchaic form of ille
4Proto-Italic*olnosthat

via Vulgar Latin illu

StepLanguageWordMeaning
1Vulgar Latinilluthe

Words derived from “*-lu”

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