From: stlatos
Message: 68420
Date: 2012-01-26
>No "laryngeal" is implied. Any stop opt. > +aspir. by fric. (seen very often in Indo-Iranian). This root also showed opt. sk>ks. > kx or > t.s.>s. , etc.
> These look like etymologically distinct words. A plectrum moves back and forth, so OE <sceacel> in that sense could easily be related to <sceacan> 'to shake'. The only plausible comparandum I have seen is Skt. <khajati> 'agitates, churns' which would imply a PIE root *(s)kh3eg-.