口裏

くちうら

Common word

noun

determining a speaker's true or hidden meaning, determining a speaker's intentions from his manner of speech(esp. 口裏)

divining good or bad luck from listening to someone(archaism)(esp. 口占)

口	mouth
裏	back, amidst, in, reverse, inside, palm, sole, rear, lining, wrong side
占	fortune-telling, divining, forecasting, occupy, hold, have, get, take