Where does “長時間” come from?

長時間 (Japanese) comes from Japanese 長, from Middle Chinese 長.

長時間 (Japanese): long time, long period of time

Definitions

  1. long time, long period of time

Ancestry of “長時間”, step by step

長時間 traces back through two separate lines of ancestry.

via Japanese 長

StepLanguageWordMeaning
1Japanese長chief, head, leader; strong point; major
2Middle Chinese長—

via Japanese 時間

StepLanguageWordMeaning
1Japanese時間time; hour; the hours or time when something...
2Middle Chineseじかん—
Every word from Middle Chinese 長 →Every word from Japanese 長 →