ح ص بḥ-ṣ-b
(ن، ض) حَصَبَ يَحْصُبُḥaṣaba yaḥṣubu / يَحْصِبُ حَصْبًاyaḥṣibu ḥaṣban: to pelt with pebbles; to lay small stones for a floor.
حَصَبٌḥaṣab (noun, ism dhāt): small stones; fuel. ﴿اِنَّكُمْ وَمَا تَعْبُدُوْنَ مِنْ دُوْنِ اللّٰهِ حَصَبُ جَهَنَّمَ﴾ (Al-Anbiyāʾ 21:98)
حَاصِبٌḥāṣib (active participle, ism fāʿil): one who pelts with pebbles; then used mostly for a violent wind that flings pebbles. ﴿اِنَّآ اَرْسَلْنَا عَلَيْهِمْ حَاصِبًا﴾ (Al-Qamar 54:34)