quivering (motion) of lips

Root √נוד: נוּד vb move to and fro wander shudder shew grief Qal move to and fro wander ,aimlessly, as fugitive flutter waver wave shake . shew grief (i.e. by shaking or nodding head) Hiph cause to wander aimlessly, as fugitives make a wagging wag ,with the head . Hoph like briers made to flutter . and the worthless,(tossed away) are they Hithpo‛lel move oneself to and fro sway totter . shake oneself , in excitement bemoan oneself .

נִיד n.m quivering motion Jb 16:5 .of lips;—only cstr.