Where does “と” come from?

と (Old Japanese) comes from Proto-Japonic tə, from Proto-Uralic tä — that.

Ancestry of “と”, step by step

StepLanguageWordMeaning
1Proto-Japonictəplace
2Proto-Uralictäthat

Words derived from “と”

Every word from Proto-Uralic tä →Every word from Proto-Japonic tə →