From: Sergejus Tarasovas
Message: 20538
Date: 2003-03-29
>Probably when an _obstruent_ followed (cf. *sUxno~ti 'get dry',
>
> RUKI was blocked in Slavic when a consonant followed.
>
> Cf. pe^sta 'pestle' < *poista: vs. *pIxati 'push, crush' < *pis-a:-
>
> Piotr