商しょう習しゅう慣かんMeaningsNoun1. business practice; commercial practice; trade usageKanji used商make a deal習learn慣get used toComposed of商しょうquotient; business; merchant; dealer; second degree (of the Japanese and Chinese pentatonic scale)Noun習しゅう慣かんhabit; (social) custom; practice; convention; traditionNoun