Where does “モ” come from?

モ (Japanese) comes from Ainu ペッ, from Japanese ペ.

Ancestry of “モ”, step by step

StepLanguageWordMeaning
1Ainuペッwater
2Japaneseペ—

Words derived from “モ”

Every word from Japanese ペ →Every word from Ainu ペッ →
モ — Etymology, Origin & Word History | Etymology Explorer