補ほ習しゅう授じゅ業ぎょう校こうMeaningsNoun1. supplementary Japanese school (outside Japan); weekend schoolKanji used補supplementary習learn授to award業business校schoolComposed of補ほ習しゅうsupplementary lessonsNoun授じゅ業ぎょうlesson; class; teaching; instruction; classwork; schoolworkNoun校こうschool; proofreading; proofSuffix