Where does “草薙剣” come from?

草薙剣 (Japanese) comes from Japanese 剣, from Middle Chinese けん, from Middle Chinese 元.

草薙剣 (Japanese): the "Grasscutting Longsword", one of the three sacred treasures comprising the Imperial Regalia of Japan

Definitions

  1. the "Grasscutting Longsword", one of the three sacred treasures comprising the Imperial Regalia of Japan

Ancestry of “草薙剣”, step by step

草薙剣 traces back through two separate lines of ancestry.

via Japanese 剣

StepLanguageWordMeaning
1Japanese剣a sword, "especially" one with a double-edged...
2Middle Chineseけん—
3Middle Chinese元—

via Japanese 草

StepLanguageWordMeaning
1Japanese草grass; a weed; a herb
2Middle Chinese草—
Every word from Middle Chinese 元 →Every word from Middle Chinese けん →Every word from Japanese 剣 →