Where does “栄養不良” come from?

栄養不良 (Japanese) comes from Japanese 不良 — deficiency, inferiority; juvenile delinquent.

Ancestry of “栄養不良”, step by step

栄養不良 traces back through two separate lines of ancestry.

via Japanese 不良

StepLanguageWordMeaning
1Japanese不良deficiency, inferiority; juvenile delinquent

via Japanese 栄養

StepLanguageWordMeaning
1Japanese栄養nutrition, nourishment
Every word from Japanese 不良
栄養不良 — Etymology, Origin & Word History | Etymology Explorer