PIE suffix *-ro - 'similar-with'

Dear Piotr,

--- In cybalist@yahoogroups.com, Piotr Gasiorowski <gpiotr@...> wrote:

> Thanks. As you see, I'm trying to make sense of adjective-forming
> -ro- by incorporating it into Olsen's analysis of *-nt- formations
> less hesitantly than she does herself. I can't see how else this
> could be achieved if not by accepting *-r as a very old allomorph
> of *-nt also in participles. If so, some fossilised remnants of
> such a formation should be lurking somewhere in the IE lexicon, and
> the *-r-/*-n- heteroclita seem to be the most obvious candidates.

Does this connect, in your view, with the sporadic appearance of -t-
in heteroclitic paradigms? E.g.

Sanskrit `liver' nom. yakrt, gen. yaknas
Greek `water' nom. hydor, gen. hydatos

Thanks! - Greg