س ل حs-l-ḥ
(ف) سَلَحَ يَسْلَحُ سَلْحًاsalaḥa yaslaḥu salḥan: to put on weapons, to arm oneself.
سِلَاحٌsilāḥ pl. اَسْلِحَةٌasliḥah (noun, ism dhāt): weapon, arms. ﴿وَلْيَاْخُذُوْٓا اَسْلِحَتَهُمْ﴾ (An-Nisāʾ 4:102)
Form II (tafʿīl) سَلَّحَ يُسَلِّحُ تَسْلِيْحًاsallaḥa yusalliḥu taslīḥan: to arm; to equip with weapons (this verb is not used in the Quran).