Where does “casadh” come from?

casadh (Irish) comes from Irish -adh, from Old Irish -ad, from Proto-Celtic -tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

casadh (Irish): verbal noun of cas; twist; reproach

Definitions

  1. verbal noun of cas; twist; reproach

Ancestry of “casadh”, step by step

StepLanguageWordMeaning
1Irish-adhCreates the regular verbal noun of...
2Old Irish-adsuffix forming verbal nouns; suffix forming the...
3Proto-Celtic-tusForms action nouns from verb stems
4Proto-Indo-European-tusDerives action nouns from verb roots

Words derived from “casadh

Every word from Proto-Indo-European -tusEvery word from Irish -adhEvery word from Old Irish -ad