Where does “ōrātōrium” come from?

ōrātōrium (Latin) comes from Latin ōrātōrius, from Latin -tōrius, from Latin -tor, from Proto-Italic -tōr, from Proto-Indo-European -tōr, from Proto-Indo-European -tor-s.

Ancestry of “ōrātōrium”, step by step

StepLanguageWordMeaning
1Latinōrātōriusoratorical
2Latin-tōriusory
3Latin-tor-er
4Proto-Italic-tōrForms agent nouns to verb stems
5Proto-Indo-European-tōrDerives agent nouns from verbs, denoting someone...
6Proto-Indo-European-tor-s—

Words derived from “ōrātōrium”

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