gore (n.2) Look up gore at Dictionary.com
"triangular piece of ground," Old English gara, related to gar "spear" (see gar), on the notion of "triangularity." Hence also meanings "front of a skirt" (mid-13c.), and "triangular piece of cloth" (early 14c.).
gore (n.1) Look up gore at Dictionary.com
Old English gor "dirt, dung, filth, shit," a Germanic word (cognates: Middle Dutch goor "filth, mud;" Old Norse gor "cud;" Old High German gor "animal dung"), of uncertain origin. Sense of "clotted blood" (especially shed in battle) developed by 1560s.
gore (v.) Look up gore at Dictionary.com
c.1400, from Scottish gorren "to pierce, stab," origin unknown, perhaps related to Old English gar "spear" (see gar, also gore (n.2) "triangular piece of ground"). Related: Gored; goring.