Sad-Vav-Be: to pour forth, hit the mark, come down. asaaba - to overtake, happen to, befall, fall upon, will, affect injuriously, meet with, send down, pour down upon, afflict or punish, intend, desire. sawaabun - that which is right, straight forward course, rightness. musiibun - that which happens. musiibatun - calamity.