Tofu

google

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from Japanese tōfu, from Chinese dòufu, from dòu ‘beans’ + fŭ ‘rot, turn sour’.

wiktionary

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Borrowed from Japanese 豆腐(とうふ)(tōfu), from Middle Chinese 豆 (MC dəuH, “bean”) + 腐(bjú, “rotten, fermented”) (compare Mandarin 豆腐 (dòufu)). Doublet of dubu.

etymonline

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tofu (n.)

soy bean curd, 1876, from Japanese tofu, from Chinese doufu, from dou "beans" + fu "rotten."