Avestan /z/ < PIE /t/

From: Petusek
Message: 38450
Date: 2005-06-08

So far, I've encountered cases of Av. /z/ < PIE /g'/ (> Skt. /j/) or /g'H/
(> Skt. /h/). Recently, I've read that in some cases, PIE */t/ > Av. /z/
(Skt. /t/). Could somebody give me some more information, please? Thank you
in advance.

Regards,

Pet'usek