Toponyms

Geotype: stream, brook

Region, district, settlement: Republic of Karelia, Suoyarvsky District, Корписелька

Region, district, selsovet, settlement (early 20th century): Vyborg and Kuopio Provinces, Salmi County, Korpiselkä, Korpiselkä

Ethnos territory: Northern Ladoga

Language of origin: Baltic-Finnish

Etymology: Onsi – vesiperäinen notko [Nissilä 1975]

Mentions in sources:

1. Onnevvirta // Nissilä Viljo. Suomen Karjalan nimistö. Joensuu, 1975, 29