疗效
liáoxiào · HSK 7
curative effect
💊 疗 (treat/cure) + 效 (effect) = the effect of a treatment, i.e. curative effect
疗 means to treat or heal (as in 治疗 treatment); 效 means effect or efficacy (as in 效果). Together they name how well a medicine or therapy works. Sound: liáo-xiào, with liáo sharing its sound family with 治疗 liáo.