Where does “平板化” come from?

平板化 (Japanese) comes from Japanese 化, from Middle Chinese 化.

平板化 (Japanese): flattening; making monotonous

Definitions

  1. flattening; making monotonous

Ancestry of “平板化”, step by step

平板化 traces back through two separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japanese-ization, -ification; action of making something...
2Middle Chinese

via Japanese 平板

StepLanguageWordMeaning
1Japanese平板flat; monotone
Every word from Middle Chinese Every word from Japanese