اضرم النَّارَ

, (S, Msb, K,) verbal noun إِضْرَامٌ; (Msb;) and ↓ ضَرَّمَهَا, (S, K,) but this is with teshdeed to denote intensiveness [of the signification]; (S;) and ↓ استضرمها, (K,) in which the prefix is not meant to denote demand; (TA;) He kindled the fire; or made it to burn up, burn brightly or fiercely, blaze, or flame; (S, Msb, K;) synonym أَوْقَدَهَا, (K,) or أَشْعَلَهَا. (S in article شعل.)