lie at the bottom of (something)

lie at the bottom of (something)

To be the fundamental cause of something. Stubbornness lies at the bottom of every unresolved disagreement.
See also: bottom, lie, of
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

be/lie at the ˈbottom of something

be the basic cause of something: Racist feelings almost certainly lie at the bottom of these recent attacks.
See also: bottom, lie, of, something
Farlex Partner Idioms Dictionary © Farlex 2017
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