Marmalade

wiktionary

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Borrowed from Middle French marmelade, from Portuguese marmelada(“quince jam”), from marmelo(“quince”), from Latin melimēlum(“sweet apple”), from Ancient Greek μελίμηλον(melímēlon), from μέλι(méli, “honey”) + μῆλον(mêlon, “apple”).

etymonline

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marmalade (n.)

1530s, "preserve or confection of pulpy consistence made from quince," from French marmelade, from Portuguese marmelada "quince jelly, marmalade," from marmelo "quince," by dissimilation from Latin melimelum "sweet apple," originally "fruit of an apple tree grafted onto quince," from Greek melimelon, from meli "honey" (from PIE root *melit- "honey") + mēlon "apple" (see malic). Extended 17c. to any preserve or confection of pulpy consistence made from a citrus fruit.