Where does “ríomh-” come from?

ríomh- (Irish) comes from Irish ríomh, from Old Irish rím, from Proto-Celtic rīmā, from Proto-Indo-European h₂rey-, from Proto-Indo-European h₂er- — to fit, to fix, to put together.

ríomh- (Irish): computer; electronic, e-

Definitions

  1. computer; electronic, e-

Ancestry of “ríomh-”, step by step

StepLanguageWordMeaning
1Irishríomhverbal noun of ríomh; enumeration; calculation,...
2Old Irishrímverbal noun of rímid; act of counting,...
3Proto-Celticrīmānumber
4Proto-Indo-Europeanh₂rey-to count, count out; to arrange
5Proto-Indo-Europeanh₂er-to fit, to fix, to put together

Words derived from “ríomh-

Every word from Proto-Indo-European h₂er-Every word from Proto-Indo-European h₂rey-Every word from Proto-Celtic rīmā