Комментарий: In Tsakh. the form is reduplicated (under influence of zɨlzam 'spleen' q.v.). In Kryz. there occurred an irregular change *läq̇ä-n > läħkän under influence of läħä 'black' (the form actually means 'black liver', cf. the same combination in Bud.). 4th class in all class-distinguishing languages.
See Бокарев 1961, 60; Лексика 1971, 122; Гигинейшвили 1977, 104.