Where does “精神安定剤” come from?

精神安定剤 (Japanese) comes from Japanese 安定剤, from Japanese 剤 — agent, chemical substance; drug, medicine; dose.

精神安定剤 (Japanese): sedative, tranquilizer

Definitions

  1. sedative, tranquilizer

Ancestry of “精神安定剤”, step by step

精神安定剤 traces back through two separate lines of ancestry.

via Japanese 安定剤

StepLanguageWordMeaning
1Japanese安定剤stabilizer; stabilizing agent
2Japanese剤agent, chemical substance; drug, medicine; dose

via Japanese 精神

StepLanguageWordMeaning
1Japanese精神psyche; spirit; soul; mind; will
Every word from Japanese 剤 →Every word from Japanese 安定剤 →
精神安定剤 — Etymology, Origin & Word History | Etymology Explorer