> > but once you get quatio: separated from the rest of Latin with aLet's try this:
> > respectable family elsewhere, which is new, it is very tempting to
> > join quattuor, tri-quetrus etc to that family.
> LIV explains <quatio:> etc. as a neo-weak grade of a root
> reconstructed as *(s)kweh1t- (root aorist *kwe:t-, cf. Gk. pe: -->
> present *kwat-je/o- like <facio> from *dHeh1-). Such structures,
> however, are notoriously difficult to analyse. Cf. LIV *kwath2-
> 'bubble, ferment' -- shouldn't it really be *kwah2t- ~ *kwatH- (via
> Olsen's preaspiration)? This would at least account for the Slavic
> alternation *kvas-/*kys-, not to mention
> the *a in the root.
> > But I was wondering if that schwa secundum could also somehow
> > explain that weird wa/u 'ablaut' in Latin?
> I suppose it could, but which particular words do you mean?