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collagen

/ˈkɒləd͡ʒɪn/ noun

Coined: a coined word Wiktionary

Origin

From French collagène, coined from Ancient Greek κόλλα (kólla, “glue”) and -γενής (-genḗs, “-forming”) (see -gen); it is the main substance that animal glues are derived from.

From Wiktionary, via Kaikki.org (CC BY-SA)