*Tus-

1 profit, benefit 2 to be profitable

Proto-Turkic: *Tus-
Altaic etymology: Altaic etymology
Proto-Altaic: *t`i̯ŏ̀so
Russian meaning: 1 выгода 2 быть выгодным
Turkic: *Tus-
Mongolian: *tüsi-
Tungus-Manchu: *tisū-
Korean: *thas
Japanese: *tàsùka-
Comments: VEWT 501, Stachowski 230. Turk. > MMong. (MA) tusa, WMong. tusa 'help, service' (see Clark 1977, 157, Щербак 1997, 159; not vice versa, despite Sinor 1970), whence Man. tusa etc., see Doerfer MT 100, and possibly some modern Turkic forms as backloans.
Old Turkic: tusu 1 (OUygh.)
Karakhanid: tusu 1 (MK), tus- 2, tusuɣluɣ 'good service' (KB)
Khakassian: tuza
Oyrat: tuza
Yakut: tuha
Dolgan: tuha-lā- 'be helpful', tuhan- 'use'
Tuva: duza