Where does “五十路” come from?

五十路 (Japanese) comes from Japanese いそち, from Japanese 五十, from Middle Chinese こしゆう.

五十路 (Japanese): fifty

Definitions

  1. fifty

Ancestry of “五十路”, step by step

StepLanguageWordMeaning
1Japaneseいそち—
2Japanese五十fifty, 50; a fifty-year-old; a large quantity
3Middle Chineseこしゆう—
Every word from Middle Chinese こしゆう →Every word from Japanese 五十 →Every word from Japanese いそち →