suvanto

Etymology
Possibly. While this would require a seemingly irregular shift from front into back vowels, the front-vowel variant is also attested in dialects.

Noun

 * 1) stream pool stretch of a river or stream in which the water depth is above average and the water velocity is quite below average
 * 2)  A slow section in anything that might be understood as a stream, e.g. in musical composition, history, life of a person, project etc.