Undermine

[Raeanne Dimick]

To excavate the earth beneath, or the part of,
especially for the purpose of causing to fall or be overthrown; to form
a mine under; to sap; as, to undermine a wall.

[Oralee]

to [lower] the [standards]

[Magaret]

A [reference] that [blacks] use to describe a certain [location]

[Sommer]

Erode the base or foundation of (a rock formation)