سو

सु su, सू sū, insep. prefix [opp. to dus or dur, and ku; and corresponding to the Gr. εὖ), Good, well, excellent, excellently: neat, elegant, beautiful, beautifully; honourable, worthy of respect or reverence; excessive, excessively, exceedingly, much, very; readily, easily, willingly, quickly. . It is a particle which is prefixed to substantives almost ad libitum. Many words beginning with it will be found in Hindīliterature which it has been deemed superfluous to insert in a dictionary.)