ده

R. Q. 2 تَدَهْدَهَ تدهده تدهدة , said of a stone, (S, K,) &c., (S,) It rolled down; (S,* K,* TA;) as also تَدَهْدَى. (S, K.) ― -b2- And hence, He, or it, was quick. (Har p. 108.)