undergirded; undergirding; undergirds
Definition of undergird
1
archaic
: to make secure underneath
took measures to undergird the ship — Acts 27:17 (Revised Standard Version)
2
: to form the basis or foundation of : strengthen, support
facts and statistics subtly undergird his commentary— Susan Q. Stranahan
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Merriam-Webster unabridged
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Time Traveler for undergird
The first known use of undergird was in 1526
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