Where does “真っ最中” come from?

真っ最中 (Japanese) comes from Japanese 最中, from Japanese 中, from Japanese 中今, from Japanese 今 — now; just now; soon.

真っ最中 (Japanese): midst; middle of

Definitions

  1. midst; middle of

Ancestry of “真っ最中”, step by step

真っ最中 traces back through two separate lines of ancestry.

via Japanese 最中

StepLanguageWordMeaning
1Japanese最中most active state, in progress, at one's best
2Japanesemiddle, medium; average; neither good nor poor;...
3Japanese中今the present, as a privileged moment in eternity
4Japanesenow; just now; soon

via Japanese 真っ

StepLanguageWordMeaning
1Japanese真っprefixes nouns, adjectives or adjectival nouns...
Every word from Japanese Every word from Japanese Every word from Japanese 中今