From Wiktionary, the free dictionary
From соноо (sonoo, “to gain weight”).
сонос • (sonos)
- (of objects) thick
- Synonym: суон (suon, “thick, fat”)
- Antonym: чэпчэки (cepceki)
- сонос быа наада ― sonos bıa naada ― it needs a thick rope
- (of people) heavy(set), stout
- Synonym: ыар (ıar, “heavy, difficult”)
- сонос киһи ― sonos kihi ― a heavyset person