Sushi

google

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Japanese.

wiktionary

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Borrowed from Japanese 寿司(すし)(sushi, “sushi (sour rice)”), ultimately from archaic conjugation 酸(す)し(sushi, “sour, vinegared”) of modern adjective 酸(す)い(sui, “sour, vinegared”).

etymonline

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sushi (n.)

1893, from Japanese, where it is said originally to refer to the vinegared rice, not the raw fish.