Where does “deachtaigh” come from?

deachtaigh (Irish) comes from Irish -igh, from Old Irish -igidir, from Proto-Celtic *-sagyetor — denominative/causative suffix.

deachtaigh (Irish): indite, compose; direct, instruct; dictate

Definitions

  1. indite, compose; direct, instruct; dictate

Ancestry of “deachtaigh”, step by step

StepLanguageWordMeaning
1Irish-ighSuffix used to form verbs from nouns;...
2Old Irish-igidira suffix used to form verbs from nouns and...
3Proto-Celtic*-sagyetordenominative/causative suffix
Every word from Proto-Celtic *-sagyetorEvery word from Irish -ighEvery word from Old Irish -igidir
deachtaigh — Etymology, Origin & Word History | Etymology Explorer