ق ح مq-ḥ-m
(ف) قَحَمَ يَقْحَمُ قُحُوْمًاqaḥama yaqḥamu quḥūman: to plunge headlong into a difficulty without thinking. (This verb is not used in the Quran.)
Form VIII (iftiʿāl) اِقْتَحَمَ يَقْتَحِمُ اِقْتِحَامًاiqtaḥama yaqtaḥimu iqtiḥāman: to rush in forcibly, to plunge into a steep pass; مُقْتَحِمmuqtaḥim (active participle, ism fāʿil). Twice in the Quran: ﴿فَلَا اقْتَحَمَ الْعَقَبَةَ﴾ (Al-Balad 90:11) and ﴿هٰذَا فَوْجٌ مُّقْتَحِمٌ مَّعَكُمْ﴾ (Ṣād 38:59).