c. 1200, from Old French scorpion (12c.), from Latin scorpionem (nominative scorpio), extended form of scorpius, from Greek skorpios "a scorpion," from PIE root *(s)ker- (1) "to cut" (see shear (v.)). The Spanish alacran "scorpion" is from Arabic al-'aqrab.[scorpion etymology, scorpion origin, 英语词源]