Where does “cum” come from?

cum (Manx) 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.

cum (Manx): grip, hold; keep, arrest, retain; contain

Definitions

  1. grip, hold; keep, arrest, retain; contain

Ancestry of “cum”, step by step

cum traces back through two separate lines of ancestry.

via Middle Irish cummaid

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

via Old Irish con·gaib

StepLanguageWordMeaning
1Old Irishcon·gaib—

Words derived from “cum”

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