*ć and *dź first-series palatal consonants
What elements of Proto-Indo-Iranian did not diverge according to the ensuing split between eastern and western variants? What type of letters are *ć and *dź?
Two of the earliest dialectal divisions among Iranian indeed happen to not follow the later division into Western and Eastern blocks. These concern the fate of the Proto-Indo-Iranian first-series palatal consonants, *ć and *dź:
question: What elements of Proto-Indo-Iranian did not diverge according to the ensuing split between eastern and western variants?, answer: *ć and *dź | question: What type of letters are *ć and *dź?, answer: first-series palatal consonants