What is dagestanian?

Some articles on dagestanian:

Northeast Caucasian Languages - Language Classification
... A long-time classification divided the family into Nakh and Dagestanian branches, whence the term Nakho-Dagestanian ... the protolanguage suggest that the Nakh languages are no more divergent from Dagestanian than the various branches of Dagestanian are from each other, although this is still ...