Meaning

noun any of various edible North American web-footed turtles living in fresh or brackish water

originFrom torup (“snapping turtle native to North America, especially the common snapping turtle (Chelydra serpentina)”) or from its etymon Powhatan *tōrəp (“sea turtle”) + possibly English -ine (suffix forming derivative or diminutive nouns), perhaps influenced by Latin terra (“dry land; soil; planet Earth”). Cognate with Abenaki tolba (“turtle”), Penobscot dolba and Unami (pisëla)tulpe…

Etymology from Wiktionary, CC BY-SA 3.0