küj-, küjin- 1

1 to suffer, grieve 2 to regret 3 to envy 4 to be angry 5 to offend 6 grief, sorrow

Tungus-Manchu: *kēńe-
Japanese: *kuna-
Comments: EDT 726. In all languages the root is completely homonymous with the reflexes of *köń- 'to burn' (v. sub *k`ùńe), which throws doubts on its etymological independence.
Russian meaning: 1 страдать, горевать 2 жалеть 3 завидовать 4 гневаться 5 обижать 6 печаль
Karakhanid: küj- ~ köj-
Tatar: köjü-, köjen- 1
Uzbek: kuj-, kujin- 1
Uighur: köj-, köjün- 1
Azerbaidzhan: göjnä- 2
Turkmen: köj- 1
Khakassian: köj- 3
Oyrat: küj-dür- 5, küjün- 3
Halaj: (jirek) kie̯n- 1
Chuvash: kǝʷvǝś- 3
Kirghiz: küj-, küjün- 1
Kazakh: küj-, küjin- 1
Noghai: küj-, küjün- 1
Bashkir: köj- 1, köjönös 6
Balkar: küj-, küjün- 1, küjük 'envious'
Karakalpak: küj-, küjin- 1
Kumyk: güj- 1