Meaning

noun the central and most intense or profound part

noun a long steep-sided depression in the ocean floor

noun literary term for an ocean

originFrom Middle English dep, deep, depe, from Old English dēop (“deep, profound; awful, mysterious; heinous; serious, solemn, earnest; extreme, great”), from Proto-West Germanic *deup, from Proto-Germanic *deupaz (“deep”), from Proto-Indo-European *dʰewbʰ-nós, from *dʰewbʰ- (“deep”). Cognates Cognate with Scots depe (“deep”), North Frisian diip, jip (“deep”), Saterland Frisian djoop (“deep”), West…

Etymology from Wiktionary, CC BY-SA 3.0