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1570s, "to miscarry," from Latin abortus, past participle of aboriri "to miscarry" (see abortive); 1610s as "to deliberately terminate" anything, but especially a pregnancy, which seems to be the literal sense. Transitive meaning "to cause a woman to miscarry" is recorded from 1933. Related: Aborted; aborting.
abort a·bort (ə-bôrt')
v. a·bort·ed, a·bort·ing, a·borts
To expel or cause to expel an embryo or fetus before it is viable.
To arrest a disease in its earliest stages.
To arrest in growth or development; to cause to remain rudimentary.