Is it farther or further?
late 14c., "a valiant warrior," 1650s as slang for "a blustering, turbulent, pervicacious, noisy fellow" [Johnson], Heck for short, both in reference to the provocative character of Hektor, Trojan hero, oldest son of Priam and Hecuba, in the "Iliad." It represents Greek hektor, literally "holder, stayer;" an agent noun from ekhein "to have, hold, possess" (see scheme). The word was used mid-1600s in reference to London street gangs. As a proper name it is rare in England but used in Scotland to render Gaelic Eachdonn.
1650s, from Hector (n.), in reference to his encouragement of his fellow Trojans to keep up the fight. Related: Hectored; hectoring.