hor·ri·ble (hôrə-bəl, hŏr-)
1. Arousing or tending to arouse horror; dreadful: "War is beyond all words horrible" (Winston S. Churchill).
2. Very unpleasant; disagreeable.
[Middle English, from Old French, from Latin horribilis, from horrēre, to tremble.]
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Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.