Where does “inwalidka” come from?

inwalidka (Polish) comes from Polish inwalida, 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 “inwalidka”, step by step

StepLanguageWordMeaning
1Polishinwalidadisabled person
2Latininvalidusinfirm, impotent, weak, feeble
3Latinvalidusstrong; healthy, well; worthy
4Latinvaleōto have strength, influence, power; to avail
5Proto-Italicwalēōto be strong
6Proto-Indo-Europeanh₂wl̥h₁éh₁yeti
7Proto-Indo-Europeanh₂welh₁-to rule; strong, powerful; hair; wool
Every word from Proto-Indo-European h₂welh₁-