underpinning

American  

[uhn-der-pin-ing] / ˈʌn dərˌpɪn ɪŋ /

noun

1. a system of supports beneath a wall or the like.

2. Often underpinnings. a foundation or basis.

   to uncover the emotional underpinnings of an illness.

3. Informal. underpinnings,

   1. underwear, especially women's underwear.

   2. the legs.

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underpinning British  

/ ˈʌndəˌpɪnɪŋ /

noun

1. a structure of masonry, concrete, etc, placed beneath a wall to provide support

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Etymology

Origin of underpinning

First recorded in 1480–90; under + pin + -ing ¹

Example Sentences

The annual rate of inflation in the eurozone fell to the European Central Bank’s target in December, underpinning views that monetary policy will remain stable in the near future.

From The Wall Street Journal

Furiosa makes chips called neural processing units, or NPUs, which are a rising class of chips designed specifically to handle the type of computing calculations underpinning AI and use less energy than GPUs.

From The Wall Street Journal

Geopolitical risks continue to provide strong safe-haven demand, underpinning the precious metal, the CEO and asset manager adds.

From The Wall Street Journal

Still, the beginning of January can offer a quieter invitation: a chance to reconsider — if only gently — the values underpinning what, and how, we eat.

From Salon

An aggressive approach from the baseline supports the American's opening shot, with a steely drive and work ethic underpinning his consistency.

From BBC