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si・ne qua non /snekwnn, snikwen()n | snikw🔗🔉

si・ne qua non /snekwnn, snikwen()n | snikwnn, snikwenn/ L. n. (pl. s) 必要条件; 不可欠のもの (necessity) 〔of, for〕. adj. 必須の. 《1602》 LL sine qu nn without which not: ⇒sine

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