Where does “guid” come from?

guid (Old Breton) comes from Proto-Brythonic gwɨð, from Proto-Celtic widus, from Proto-Indo-European h₁weydʰh₁-, from Proto-Indo-European dwi-, from Proto-Indo-European dwóh₁ — two.

Ancestry of “guid”, step by step

StepLanguageWordMeaning
1Proto-Brythonicgwɨðwood, trees
2Proto-Celticwiduswood, trees
3Proto-Indo-Europeanh₁weydʰh₁-to separate, divide
4Proto-Indo-Europeandwi-two; apart, asunder
5Proto-Indo-Europeandwóh₁two

Words derived from “guid

Every word from Proto-Indo-European dwóh₁Every word from Proto-Indo-European dwi-Every word from Proto-Indo-European h₁weydʰh₁-
guid — Etymology, Origin & Word History | Etymology Explorer