Where does “invalide” come from?

invalide (Middle French) comes from Latin invalidus, from Latin validus, from Latin valeō, from Proto-Italic walēō, from Proto-Indo-European h₂wl̥h₁éh₁yeti, from Proto-Indo-European h₂welh₁- — to rule; strong, powerful; hair; wool.

Ancestry of “invalide”, step by step

StepLanguageWordMeaning
1Latininvalidusinfirm, impotent, weak, feeble
2Latinvalidusstrong; healthy, well; worthy
3Latinvaleōto have strength, influence, power; to avail
4Proto-Italicwalēōto be strong
5Proto-Indo-Europeanh₂wl̥h₁éh₁yeti
6Proto-Indo-Europeanh₂welh₁-to rule; strong, powerful; hair; wool

Words derived from “invalide

Every word from Proto-Indo-European h₂welh₁-Every word from Proto-Indo-European h₂wl̥h₁éh₁yetiEvery word from Proto-Italic walēō