1520s, from Middle French caravelle (15c.), from Spanish carabela or Portuguese caravela, diminutive of caravo "small vessel," from Late Latin carabus "small wicker boat covered with leather," from Greek karabos, literally "beetle, lobster" (see scarab). Earlier form carvel (early 15c.) survives in carvel-built (adj.).[caravel etymology, caravel origin, 英语词源]