Where does “áirem” come from?

áirem (Old Irish) comes from Old Irish ad·rími, from Proto-Celtic rīmā, from Proto-Indo-European h₂rey-, from Proto-Indo-European h₂er- — to fit, to fix, to put together.

Ancestry of “áirem”, step by step

StepLanguageWordMeaning
1Old Irishad·rímicounts, numbers, computes; records, recounts,...
2Proto-Celticrīmānumber
3Proto-Indo-Europeanh₂rey-to count, count out; to arrange
4Proto-Indo-Europeanh₂er-to fit, to fix, to put together

Words derived from “áirem”

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