firstborn

[ furst-bawrn ]
/ ˈfɜrstˈbɔrn /
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adjective

first in the order of birth; eldest.

noun

a firstborn child.
a first result or product.

Origin of firstborn

Middle English word dating back to 1300–50; see origin at first, born
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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