Where does “frwt” come from?

frwt (Middle Welsh) comes from Proto-Brythonic frud, from Proto-Celtic srutom, from Proto-Indo-European srew-, from Proto-Indo-European ser- — to flow; to guard; to bind, to tie together.

Ancestry of “frwt”, step by step

StepLanguageWordMeaning
1Proto-Brythonicfrudstream, river; flow, current
2Proto-Celticsrutomstream, river; flow, current
3Proto-Indo-Europeansrew-to flow, stream
4Proto-Indo-Europeanser-to flow; to guard; to bind, to tie together
Every word from Proto-Indo-European ser- →Every word from Proto-Indo-European srew- →Every word from Proto-Celtic srutom →
frwt — Etymology, Origin & Word History | Etymology Explorer