なしてMeanings1expressionforming; comprising; making upUsed as a continuative form of 成す (なす), meaning 'forming' or 'constituting'. Often appears in compound-like expressions or formal contexts.See also: 成すこの委い員いん会かいは五ご人にんの専せん門もん家かからなしている。This committee is made up of five experts.2adverb, interjectionwhy?; how?; for what reason?Dialectal or old-fashioned equivalent of どうして. Used as an interrogative adverb or interjection to ask for a reason or method. May sound rustic or literary in modern standard Japanese.See also: どうしてなしてそんなことをしたんだ？
