Where does “oíph” come from?

oíph (Old Irish) comes from Proto-Celtic ofi-bā, from Proto-Indo-European h₁opi-bʰeh₂-, from Proto-Indo-European bʰeh₂-, from Proto-Indo-European bʰeh₂-s-ri-.

Ancestry of “oíph”, step by step

StepLanguageWordMeaning
1Proto-Celticofi-bābeauty; appearance
2Proto-Indo-Europeanh₁opi-bʰeh₂-—
3Proto-Indo-Europeanbʰeh₂-to shine, glow light; to speak, say
4Proto-Indo-Europeanbʰeh₂-s-ri-—

Words derived from “oíph”

Every word from Proto-Indo-European bʰeh₂-s-ri- →Every word from Proto-Indo-European bʰeh₂- →Every word from Proto-Indo-European h₁opi-bʰeh₂- →