Where does “凹” come from?

凹 (Japanese) comes from Japanese 中, from Japanese 中今, from Japanese 今 — now; just now; soon.

凹 (Japanese): an area with sides higher than the center: an...

Definitions

  1. an area with sides higher than the center: an...

Ancestry of “凹”, step by step

凹 traces back through two separate lines of ancestry.

via Japanese 中

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

via Japanese 窪

StepLanguageWordMeaning
1Japanese窪an indentation, a depression; depression; pit,...
Every word from Japanese 今 →Every word from Japanese 中 →Every word from Japanese 中今 →