Where does “誕生記念筆” come from?

誕生記念筆 (Japanese) comes from Japanese 筆, from Japanese 文, from Middle Chinese 文.

誕生記念筆 (Japanese): brush made with fetal hair

Definitions

  1. brush made with fetal hair

Ancestry of “誕生記念筆”, step by step

誕生記念筆 traces back through 3 separate lines of ancestry.

via Japanese 筆

StepLanguageWordMeaning
1Japanese筆a writing brush, a painting brush, a pen;...
2Japanese文the mon, an old currency; a unit of length for...
3Middle Chinese文—

via Japanese 誕生

StepLanguageWordMeaning
1Japanese誕生birth; creation; formation; be born, come into...

via Japanese 記念

StepLanguageWordMeaning
1Japanese記念memorial; commemorate, celebrate, mark
Every word from Middle Chinese 文 →Every word from Japanese 文 →Every word from Japanese 筆 →