Where does “cailleach” come from?

cailleach (Scottish Gaelic) comes from Old Irish caillech, from Old Irish -ach, from Proto-Celtic -ākos, from Proto-Indo-European -eh₂ḱos, from Proto-Indo-European -kos — Creates deadjectival and desubstantival...

cailleach (Scottish Gaelic): old woman; woman, wife; hag, crone

Definitions

  1. old woman; woman, wife; hag, crone

Ancestry of “cailleach”, step by step

StepLanguageWordMeaning
1Old Irishcaillechnun, housekeeper, elderly woman, crone, hag
2Old Irish-achForms adjectives meaning "related to, having,...
3Proto-Celtic-ākosForms adjectives from nouns and adjectives with...
4Proto-Indo-European-eh₂ḱos
5Proto-Indo-European-kosCreates deadjectival and desubstantival...

Words derived from “cailleach

Every word from Proto-Indo-European -kosEvery word from Old Irish -achEvery word from Proto-Celtic -ākos