Where does “prenn” come from?

prenn (Middle Welsh) comes from Proto-Brythonic prenn, from Proto-Celtic kʷresnom, from Proto-Indo-European kʷres- — bush, thicket.

Ancestry of “prenn”, step by step

StepLanguageWordMeaning
1Proto-Brythonicprennwood, tree
2Proto-Celtickʷresnomtree; wood
3Proto-Indo-Europeankʷres-bush, thicket

Words derived from “prenn”

Every word from Proto-Indo-European kʷres- →Every word from Proto-Celtic kʷresnom →Every word from Proto-Brythonic prenn →