Dal-Elif-Be: To strive/exert/labour/toil, diligent, zealous, become wearied/fatigued, held on / continue, urge, to drive out/away, hunt, to pawn, to persevere, to persist, to last, to hold out. to be diligent, zealous, strive steadily, urge, drive, hold one's course, toil constantly. da'b - habit/custom/manner/case/affair, way of doing, condition, work, want. da'ban - according to conduct, won working hard and continuously, pursuing the course.