Se-Kaf-Lam: to be heavy/weighty, slow/dull/sluggish, difficult/hard/grievous. thaqalaan (dual of thaqalan) - two big and weighty things, two armies. athqaal (pl. of thiql) - burden. thaqiil (pl. thiqaal) - heavy. mithqaal - weight, weight of a balance. tathaaqal - to be dull/sluggish. thaqala - to grow heavy, oppress, weigh down. mathqalatun - burdened, heavily laden, any cause of depriving a mother of her child. iththaqala (for tathaaqala) - to be born down heavily, incline heavily downwards.