"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.
masc. personal name, from Latinized form of Hektor, name of the Trojan hero, oldest son of Priam and Hecuba, in the "Iliad," from Greek hektor, literally "holder, stayer;" an agent noun from ekhein "to have, hold, possess" (from PIE root *segh- "to hold"). As a proper name it is rare in England but used in Scotland to render Gaelic Eachdonn. Heck for short.