"to bluster, bully, domineer," 1650s, from slang hector (n.) "a blustering, turbulent, pervicacious, noisy fellow" [Johnson], 1650s, from Hector of the "Iliad," in reference to his encouragement of his fellow Trojans to keep up the fight. Earlier in English the name was used generically for "a valiant warrior" (late 14c.). Related: Hectored; hectoring.