Where does “guelt” come from?

guelt (Old Breton) comes from Proto-Brythonic gwellt, from Proto-Celtic gʷeltā — grass.

Ancestry of “guelt”, step by step

StepLanguageWordMeaning
1Proto-Brythonicgwelltgrass
2Proto-Celticgʷeltāgrass

Words derived from “guelt”

Every word from Proto-Celtic gʷeltā →Every word from Proto-Brythonic gwellt →
guelt — Etymology, Origin & Word History | Etymology Explorer