Where does “heddychwyr” come from?

heddychwyr (Welsh) comes from Welsh heddwch, from Welsh hedd, from Proto-Indo-European sed- — to sit.

Ancestry of “heddychwyr”, step by step

StepLanguageWordMeaning
1Welshheddwchpeace
2Welshheddpeace
3Proto-Indo-Europeansed-to sit
Every word from Proto-Indo-European sed- →Every word from Welsh hedd →Every word from Welsh heddwch →
heddychwyr — Etymology, Origin & Word History | Etymology Explorer