 This fact, and other linguistic considerations, have led experts to believe that Digor dialect became separated from Proto-Ossetian during the Mongol conquests.
<clarity>  This fact, and other linguistic considerations, have led experts to believe that Digor dialect became separated from Proto-Ossetian during the Mongol conquests.
 This fact, and other linguistic considerations, have led scholars to believe that Digor dialect became separated from Proto-Ossetian during the Mongol conquests.