engl1 to wipe out, blot out, obliterate, efface, extinguish (s.th.); 2 to thresh (grain); 3 to learn, study (s.th., ʕalà under s.o.), ~ al-ʕilm ʕalà, to study under (a teacher, a professor); – 4 u (durūs) to be effaced, obliterated, blotted out, extinguished – WehrCowan1979.