Abhor (or Amba Hor) and Mehraela were a brother and sister who were martyrs for the Christian faith. Etymology of the word "Abhor": from Latin abhorrēre (to shudder at, shrink from), from "ab" (away) and "horrēre" (to bristle, shudder).Meaning of "abhor" in the English dictionary Retrieved on 17 Feb 2018 The book of their "acts" has been lost. Their feast day is celebrated on January 9 in the Coptic Church.
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Sources
Holweck, F. G., A Biographical Dictionary of the Saints. St. Louis, Missouri, US: B. Herder Book Co. 1924.