io̍h-sèng藥性

function, property, effects or potency

function, property, effects or potency of a medicine; efficacy of a medicine

English Wiktionary, “藥性” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E8%97%A5%E6%80%A7 · confidence: Medium (Wiktionary)