سَيْداق
Root: س ي د ا ق
مف سَيْداقة : (نت) شجر ذو ساق قويَّة، قشره حرَّاق، ورماد خشبه المحروق يُبيَّض به غزل الكتَّان.
🇬🇧 Translation:
Singular: saydaqah : (Botany) A tree with a strong trunk, its bark is burning, and the ash from its burnt wood is used to whiten flax yarn (Saydaq tree).
Arabic - English Dictionary