Viable

google

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early 19th century: from French, from vie ‘life’, from Latin vita .

wiktionary

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From French, from Medieval Latin *vītābilis(“capable of life”), from Latin vīta(“life”); see vital.

etymonline

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viable (adj.)

1828, 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 is first recorded 1848. Related: Viably.