1660s, genus of swordfish, from Greek xiphias "swordfish," from xiphos "sword," of unknown origin.
Online Etymology Dictionary, © 2010 Douglas Harper
Examples from the Web for xiphias
By this name it has been known ever since, and only one additional name is included in its synonym, Xiphias rondeletic of Leach.Tales of Fishes
His saw, like the sword of the Xiphias, is a long flattened bony snout, but is double-edged and serrated.Fictitious & Symbolic Creatures in Art
The European species, common in the Mediterranean, is the Xiphias gladius of naturalists.The Sailor's Word-Book
William Henry Smyth