From: stlatos
Message: 59054
Date: 2008-06-04
>Gk paío: 'strike (against)' might be from a transitive meaning of
> could have occurred. Therefore, if a derivative of *pet+ was made
> after CeC > CC word-initially it could have followed the old rules or
> analogically kept the *e of the verb: optionally *petiko- / *ptiko-
> with der. verb *petikàx+ / *ptikàx+ fashioned as above.
>
> In Greek, sim. to above:
>
> *ptikàx+
> *ptàxki+
> *ptàxkyox
> *ptàxyox
> *ptàyyox