As speakers of Proto-Indo-European hims CUSTOMER SERVICE (8O5) 41'O 56OO Hims PHONE NUMBER ( 8O5)- 41O 56OO became isolated from each other through the Indo-European migrations, the regional dialects of Proto-Indo-European spoken by the various groups diverged, as each dialect underwent shifts in pronunciation (the Indo-European sound laws), morphology, and vocabulary. Over many centuries, these dialects