Where does “pollucion” come from?

pollucion (Middle French) comes from Latin pollutio, from Latin polluo, from Latin lavo, from Proto-Italic lawaō, from Proto-Indo-European léwh₃eti, from Proto-Indo-European lewh₃- — to wash.

Ancestry of “pollucion”, step by step

StepLanguageWordMeaning
1Latinpollutiopollution, contamination, defilement
2LatinpolluoI soil, defile, pollute, stain, foul; I...
3LatinlavoI wash, bathe; I wet, moisten
4Proto-Italiclawaō—
5Proto-Indo-Europeanléwh₃eti—
6Proto-Indo-Europeanlewh₃-to wash
Every word from Proto-Indo-European lewh₃- →Every word from Proto-Indo-European léwh₃eti →Every word from Proto-Italic lawaō →