Where does “中石器時代” come from?

中石器時代 (Japanese) comes from Japanese 中, from Japanese 中今, from Japanese 今 — now; just now; soon.

中石器時代 (Japanese): the Mesolithic

Definitions

  1. the Mesolithic

Ancestry of “中石器時代”, step by step

中石器時代 traces back through two separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japanesemiddle, medium; average; neither good nor poor;...
2Japanese中今the present, as a privileged moment in eternity
3Japanesenow; just now; soon

via Japanese 石器時代

StepLanguageWordMeaning
1Japanese石器時代Stone Age
2Japanese時代age, era, period; the times, spirit of the age;...
Every word from Japanese Every word from Japanese Every word from Japanese 中今