quamdudum Save Lewis & Short Georges Gaffiot 2016 LaNe quamdūdum, more correctly as two words, quam dūdum. quam-dūdum, s. dūdum. quamdūdum, depuis combien de temps ? Pl. Amph. 685 ; Ter. Eun. 697 ; Cic. Att. 14, 12, 3. quam-dūdum adv. zie dudum.