Lemonade

google

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mid 17th century: from French limonade, from limon ‘lemon’.

wiktionary

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From French limonade, equivalent to lemon +‎ -ade.

etymonline

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lemonade (n.)

1660s, nativized from French limonade (17c.), which is from Italian limonata or else a French formation from limon; see lemon (n.1) + -ade. The earlier English spelling was lemonado (c. 1640) with false Spanish ending.