Where does “灰白質” come from?

灰白質 (Japanese) comes from Japanese 質, from Middle Chinese 質.

灰白質 (Japanese): grey matter

Definitions

  1. grey matter

Ancestry of “灰白質”, step by step

灰白質 traces back through two separate lines of ancestry.

via Japanese 質

StepLanguageWordMeaning
1Japanese質quality; pawn
2Middle Chinese質—

via Japanese 灰白

StepLanguageWordMeaning
1Japanese灰白gray
Every word from Middle Chinese 質 →Every word from Japanese 質 →