Ugaritic

grdš - to be undermined, ruined (DUL 307)

Hapax legomenon in 1.14 i 10‒11: krt ḥtkn rš krt grdš mknt ‘Krt – his family was crushed, Krt – his home was destroyed’ (Pardee 1997:337)

PCS
*grdš - to fall, to break (?) (Kogan 2015: 330)