はいご 背後 Common word JLPT N1 Wanikani level 30 LinksSentence search for 背後Sentence search for はいごKanji details for 背 and 後Edit in JMdict Noun, Noun which may take the genitive case particle 'no'1. back; rearNoun, Noun which may take the genitive case particle 'no'2. background; behind the scenes Discussions Log in to talk about this word.