Where does “tanto” come from?

Tanto derives from Japanese 短刀, which combines Japanese に with Latin tantus, ultimately from Latin tam and Proto-Indo-European séh₂ and só.

tanto (English): A common type of Japanese dagger or knife....

Definitions

  1. A common type of Japanese dagger or knife....

Ancestry of “tanto”, step by step

tanto traces back through two separate lines of ancestry.

via Italian tanto

StepLanguageWordMeaning
1Italiantantoso much, so many; much, many; such
2Latintantusof such size, of such measure; so much, so great
3Latintamso, so much, to such an extent, to such a degree
4Proto-Indo-Europeantéh₂m
5Proto-Indo-Europeanséh₂
6Proto-Indo-Europeanthis; that

via Japanese 短刀

StepLanguageWordMeaning
1Japanese短刀A small sword or knife; often used as a secondary...
2Middle Chinese短刀dagger
3Middle Chineseshort
Every word from Proto-Indo-European