Where does “-ator” come from?

-ator (Norwegian Nynorsk) comes from Latin -ator, from Latin -tor, from Proto-Italic -tōr, from Proto-Indo-European -tōr, from Proto-Indo-European -tor-s.

-ator (Norwegian Nynorsk): used to form nouns

Definitions

used to form nouns

Ancestry of “-ator”, step by step

Step	Language	Word	Meaning
1	Latin	-ator	-ator, -er; second-person singular future passive...
2	Latin	-tor	-er
3	Proto-Italic	-tōr	Forms agent nouns to verb stems
4	Proto-Indo-European	-tōr	Derives agent nouns from verbs, denoting someone...
5	Proto-Indo-European	-tor-s	—

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