1911 Encyclopedia Britannica
(from Lat. ab, from, and ominare, to forebode), anything contrary to omen, and therefore regarded with aversion; a word used often in the Bible to denote evil doctrines or ceremonial practices which were impure. An incorrect derivation was ab homine (i.e. inhuman), and the spelling of the adjective "abominable" in the first Shakespeare folio is always "abhominable." Colloquially "abomination" and "abominable" are used to mean simply excessive in a disagreeable sense.
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Chisholm, Hugh, General Editor. Entry for 'Abomination'. 1911 Encyclopedia Britanica. https://www.studylight.org/encyclopedias/eng/bri/a/abomination.html. 1910.