どうして

どうして · doushite · JLPT N5 · adverb

why

❓ どう (how) + して (doing) = how come? → why

Built from どう (how, in what way) plus して, the te-form of する (to do). Literally 'doing how?', the same logic as English 'how come?'. Softer and more conversational than なぜ.

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