From: Jens Elmegaard Rasmussen
Message: 14051
Date: 2002-07-17
>I believe the underlying forms are here based on nothing but wishful
> I believe I have found evidence for the regular loss of *y (*i)
> immediately preceding or following a stressed thematic vowel, which
> would also explain **pi-ph3-é-t(i) for expected *pi-ph3y-é-t(i). I'm
> thinking in particular of the eh2(a:)-stems, from thematic vowel +
> *-ih2, with e.g. Nsg *-eh2 (> -a:) for expected *-o-yh2. Another form
> is the o-stem NAV dual in *-eh3 (> -o:(u)) for expected *-o-yh3. With
> *y before the thematic vowel we have the reduplicated (causative)
> aorist, where the causative suffix *(p)éy-e/o- appears in the zero
> grade as *-(p)-é- instead of expected *(p)y-é- (e.g. á-ji-jñi-p-a-t <
> **(h1e)-g^i-g^nh3-py-%'-t, therefore also sis.vapas < *si-swep-é-s <
> *si-sw(e)p-y-%'-s). [where *% is the thematic vowel before it split
> into *e and *o]
>
> If the loss of *y is regular before a stressed thematic vowel, then
> the Greek aorist épion (*h1e-ph3i-é/ó-) must be either secondary
> (Jens) or it must be derived instead from *h1e-pih3-é/ó- (Piotr).