Where does “途方もない” come from?

途方もない (Japanese) comes from Japanese も, from Old Japanese も, from Proto-Japonic mə, from Arabic مَن — who?; who.

途方もない (Japanese): absurd, irrational

Definitions

  1. absurd, irrational

Ancestry of “途方もない”, step by step

途方もない traces back through 3 separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1JapaneseUsed to form the conjectural form of verbs,...
2Old Japanesenon-unique topic marker: also, even
3Proto-Japonicnon-unique topic marker: also, even, too, as well
4Arabicمَنwho?; who

via Japanese ない

StepLanguageWordMeaning
1Japaneseないhaving that quality, having that state; very much...
2Old Japaneseない

via Japanese 途方

StepLanguageWordMeaning
1Japanese途方the right way
Every word from Arabic مَنEvery word from Proto-Japonic Every word from Old Japanese