مَدْحَضَةٌ

A cause of slipping; synonym مَزَلَّةٌ. (K.) You say, هٰذِهِ مَدْحَضَةٌ لِلْقَدَمِ [This is a cause of slipping to the foot]. (A.) And مَكَانٌ مَدْحَضَةٌ, in a tradition respecting the Sirát, means A place on which the feet will not remain firm. (TA.)