Where does “二矢” come from?

二矢 (Japanese) comes from Japanese 二, from Middle Chinese 二 — two.

Ancestry of “二矢”, step by step

二矢 traces back through 3 separate lines of ancestry.

via Japanese 二

StepLanguageWordMeaning
1Japanese二two, 2; second; two
2Middle Chinese二two

via Japanese 矢

StepLanguageWordMeaning
1Japanese矢an arrow; a wedge used to break hard objects such...
2Old Japaneseや—

via Japanese おと

StepLanguageWordMeaning
1Japaneseおと音 sound
Every word from Middle Chinese 二 →Every word from Japanese 二 →