Watering place South of the Koa River Valley, South of Steinkopf. The name is derived from Khoikhoi and means 'water hole dug by hand'. The Afrikaans name is 'Rooiwater' and means red water.
References
South African Place Names by Peter E. Raper
Further Reading
https://www.safarinow.com/destinations/steinkopf/camping-caravanning.aspx
https://www.medpages.info/sf/index.php?page=organisation&orgcode=223007