Proto-Sino-Caucasian: *gwVćV́
Meaning: lean, meager, bad
Comments and references : For semantics cf. Eng slim ~ Ger schlimm ‘bad’; Rus худой ‘bad, ill; lean, meager’, etc.; Eng left (hand) < OE left, lyft ‘weak’, etc.: Rutul gɨči-d ‘left’. Etymological comparison suggested by John Bengtson.