Where does “cummad” come from?

cummad (Middle Irish) comes from Middle Irish cummaid, from Middle Irish cumma, from Proto-Celtic kumbā, from Proto-Indo-European kumbʰo-, from Proto-Indo-European keu- — bend; vault, hole; to shine; light; bright.

Ancestry of “cummad”, step by step

StepLanguageWordMeaning
1Middle Irishcummaid
2Middle Irishcumma
3Proto-Celtickumbāvalley
4Proto-Indo-Europeankumbʰo-
5Proto-Indo-Europeankeu-bend; vault, hole; to shine; light; bright

Words derived from “cummad

Every word from Proto-Indo-European keu-Every word from Proto-Indo-European kumbʰo-Every word from Proto-Celtic kumbā