Where does “leger” come from?

leger (Old French) comes from Vulgar Latin leviarius, from Latin levius, from Latin lēvis, from Proto-Italic leɣʷis, from Proto-Indo-European h₁léngʰus, from Proto-Indo-European h₁lengʷʰ- — light.

Ancestry of “leger”, step by step

StepLanguageWordMeaning
1Vulgar Latinleviariuslight
2Latinleviuscomparative degree of leviter
3Latinlēvislight, not heavy
4Proto-Italicleɣʷislight
5Proto-Indo-Europeanh₁léngʰuslightweight
6Proto-Indo-Europeanh₁lengʷʰ-light
Every word from Proto-Indo-European h₁lengʷʰ- →Every word from Proto-Indo-European h₁léngʰus →Every word from Proto-Italic leɣʷis →