ظ م اẓ-m-ʾ
(س) ظَمِئَ يَظْمَاُ ظَمَاًẓamiʾa yaẓmaʾu ẓamaan: to be thirsty. ﴿وَاَنَّكَ لَا تَظْمَؤُا فِيْهَا وَلَا تَضْحٰى﴾ (Ṭā Hā 20:119)
ظَمَاٌẓamaʾ (also a noun, ism dhāt): thirst. ﴿لَا يُصِيْبُهُمْ ظَمَاٌ وَّلَا نَصَبٌ﴾ (At-Tawbah 9:120)
ظَمْاٰنُẓamānu (adjective on the pattern of فَعْلَانُfaʿlānu): extremely thirsty. ﴿يَحْسَبُهُ الظَّمْاٰنُ مَآءً﴾ (An-Nūr 24:39)