かいだんふぬ 階段の吹き抜け LinksSentence search for 階段の吹き抜けSentence search for かいだんのふきぬけKanji details for 階, 段, 吹 and 抜Edit in JMdict Expressions (phrases, clauses, etc.), Noun1. stairwell Discussions Log in to talk about this word.