Where does “もん” come from?

もん (Middle Chinese) comes from Japanese 物, from Japanese 物言い, from Japanese 物言う — to talk.

Ancestry of “もん”, step by step

StepLanguageWordMeaning
1Japanese物thing; story, genre
2Japanese物言いa way of speaking, wording
3Japanese物言うto talk

Words derived from “もん”

Every word from Japanese 物言う →Every word from Japanese 物言い →Every word from Japanese 物 →