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late 14c., "death," from Middle French obit or directly from Latin obitus "death," noun use of past participle of obire "to die," literally "to go toward" (see obituary). In modern usage (since 1874) it is usually a clipped form of obituary, though it had the same meaning of "published death notice" 15c.-17c. The scholarly abbreviation ob. with date is from Latin obiit "(he) died," third person singular of obire.
: This is not the obit pagenoun
An obituary, esp in a newspaper: getting left out of the pious obits in The Times (1874+)