Where does “dorchaich” come from?

dorchaich (Scottish Gaelic) comes from Scottish Gaelic -ich, from Old Irish -igidir, from Proto-Celtic *-sagyetor — denominative/causative suffix.

dorchaich (Scottish Gaelic): darken, obscure; cloud, shade; grow dark

Definitions

  1. darken, obscure; cloud, shade; grow dark

Ancestry of “dorchaich”, step by step

StepLanguageWordMeaning
1Scottish Gaelic-ichSuffix used to form verbs; semi-productive in...
2Old Irish-igidira suffix used to form verbs from nouns and...
3Proto-Celtic*-sagyetordenominative/causative suffix
Every word from Proto-Celtic *-sagyetorEvery word from Scottish Gaelic -ichEvery word from Old Irish -igidir