From: tgpedersen
Message: 61576
Date: 2008-11-13
> > The ultimate etymology is anybody's guess. _For example_, it couldI should be asleep.
> > be *sah2-no- 'full, strong', from the root *sah2(i)- 'make full,
> > satiate' (cf. Istros < *h1ish2-ro-), or anything of the sort.
>
> You mean 'the satisfied river'? That can't be earlier than 1917.