Where does “تقطب” come from?

تقطب (Arabic) comes from Arabic ط, from Nabataean 𐢋, from Classical Syriac ܛ, from Aramaic ט‬, from Aramaic 𐡈, from Egyptian 𓄤.

تقطب (Arabic): to become gloomy; verbal noun of تَقَطَّبَ;...