Where does “またとない” come from?

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

またとない (Japanese): unique, matchless, unparalleled

Definitions

  1. unique, matchless, unparalleled

Ancestry of “またとない”, step by step

またとない traces back through 3 separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japanesewith; and; a particle following a phrase or...
2Old Japanese
3Proto-Japonicplace
4Proto-Uralicthat

via Japanese ない

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

via Japanese また

StepLanguageWordMeaning
1Japaneseまたagain; as well
Every word from Proto-Uralic Every word from Proto-Japonic Every word from Old Japanese