Meaning

noun intense and profound fear

noun something that inspires dislike; something horrible

noun intense aversion

originFrom Middle English horer, horrour, from Old French horror, from Latin horror (“a bristling, a shaking, trembling as with cold or fear, terror”), from horrere (“to bristle, shake, be terrified”). Displaced native Old English ōga.

Etymology from Wiktionary, CC BY-SA 3.0