Where does “helpwyr” come from?

helpwyr (Welsh) comes from Proto-West Germanic helpu, from Proto-Germanic helpō, from Proto-Indo-European ḱelb- — help.

Ancestry of “helpwyr”, step by step

StepLanguageWordMeaning
1Proto-West Germanichelpu—
2Proto-Germanichelpōhelp, aid, assistance
3Proto-Indo-Europeanḱelb-help
Every word from Proto-Indo-European ḱelb- →Every word from Proto-Germanic helpō →Every word from Proto-West Germanic helpu →