Where does “-atóir” come from?

-atóir (Old Irish) comes from Latin -ator, from Latin -tor, from Proto-Italic -tōr, from Proto-Indo-European -tōr, from Proto-Indo-European -tor-s.

Ancestry of “-atóir”, step by step

StepLanguageWordMeaning
1Latin-ator-ator, -er; second-person singular future passive...
2Latin-tor-er
3Proto-Italic-tōrForms agent nouns to verb stems
4Proto-Indo-European-tōrDerives agent nouns from verbs, denoting someone...
5Proto-Indo-European-tor-s—

Words derived from “-atóir”

Every word from Proto-Indo-European -tor-s →Every word from Latin -tor →Every word from Latin -ator →