Where does “tremene” come from?

tremene (Middle Cornish) comes from Proto-Brythonic moned, from Proto-Celtic monītor, from Proto-Indo-European menH- — tread, press together; crumble.

Ancestry of “tremene”, step by step

StepLanguageWordMeaning
1Proto-Brythonicmoned—
2Proto-Celticmonītor—
3Proto-Indo-EuropeanmenH-tread, press together; crumble
Every word from Proto-Indo-European menH- →Every word from Proto-Celtic monītor →Every word from Proto-Brythonic moned →