"resembling leather in texture, toughness, etc.," 1670s, from Late Latin coraceus, from Latin corium "skin, hide, leather" (see corium).
Entries linking to coriaceous
corium n.
"innermost layer of the skin," 1836, from Latin corium "skin, hide, leather," related to cortex "bark," scortum "skin, hide," from PIE root *sker- (1) "to cut" (compare Sanskrit krtih "hide;" Old Church Slavonic scora "skin," Russian skora "hide," kora "bark;" Welsh corwg "boat made with leather skins," all from the same root).