Where does “preff” come from?

preff (Middle Breton) comes from Proto-Brythonic prɨβ̃, from Proto-Celtic kʷrimis, from Proto-Indo-European kʷŕ̥mis — worm.

Ancestry of “preff”, step by step

StepLanguageWordMeaning
1Proto-Brythonicprɨβ̃worm
2Proto-Celtickʷrimisworm
3Proto-Indo-Europeankʷŕ̥misworm

Words derived from “preff”

Every word from Proto-Indo-European kʷŕ̥mis →Every word from Proto-Celtic kʷrimis →Every word from Proto-Brythonic prɨβ̃ →