From: Sergejus Tarasovas
Message: 32320
Date: 2004-04-26
> A slightly parallel case: the Lith. o-stem nom. pl. *-oyInteresting. But *ai > *ie is not commonly accepted, and the medìnis-
> (giving acute *-aí > Slavic -i, Lith. -ì), analogicaly
> replaced in the hard o-stem nouns by the soft ending -ai~.
>
> The original situation must have been (I'll use á for
> stressed acute, à for unstressed acute, â for stressed
> circumflex, ã for unstressed circumflex):
>
> nouns/adjectives:
> -hard -aí (-aì)
> -soft A -jaí (-jaì) (light root)
> -soft B -ijaì > -jaì (heavy stressed root)
> -soft C -ijaí > -jaî (heavy unstressed root)
>
> The contraction of stressed -ijaí (or is it -íjaì?) led to
> circumflex -jai~ in the "soft C" stems.
>
> This situation leads to the endings we find in the
> adjectives (accents as in Lith.):
>
> *-o- : ge~ras -> gerì
> *-jo- : z^ãlias -> z^alì
> *-ijo- : dìdelis -> didelì
> *-íjo- : auksìnis [< *auksini:~s] -> auksìniai
>