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Origin and history of viable

viable(adj.)

1823, "capable of living, likely to live," from French viable "capable of life" (1530s), from vie "life" (from Latin vita "life," from PIE root *gwei- "to live") + -able. Originally of newborn infants; generalized sense of "capable of continued existence" is recorded by 1848. Related: Viably.

With Dr. Beck we have adopted this word from the French, as we no word as expressive in our language, Dr. Smith's term rearable not being sufficiently definite. [R.E. Griffith, "Remarks on Infanticide," Philadelphia Journal of the Medical and Physical Sciences, May and August 1827]
Not much to their credit, English doctors and lawyers have tried to naturalize the French viable, 'likely to live', from vie, a corruption of vita. Who, at first sight, would not suppose that viable must be connected with via? Vivable would have been much better; or, if it were not dark enough, there is vitable, which does not lack the support of analogy. [Fitzedward Hall, "Modern English," 1873]

Entries linking to viable

1909, in biology, from in- (1) "not" + viable. Related: Inviability.

applied to a fetus too young to maintain independent life, by 1821, from French non-viable (by 1813 in the Code Napoléon); see non- + viable.

It is an established fact, that under the fifth month no foetus can be born alive—from the fifth to the seventh it may come into the world alive, but cannot maintain existence. The French term these non viable. We may designate them non-rearable, or more properly immature—in distinction to those between the seventh and the ninth month, which may be reared, and are termed premature. [John Gordon Smith, M.D., "The Principles of Forensic Medicine," London, 1821] 
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