The name in Khoi means 'red hill tree'. This refers to the Pepper Trees, the berries of which give a reddish apperance.  Native to dry South America and cultivated in warm regions, like Namibia!

Geolocation
18° 1' 12", -29° 6' 36"
References

South African Place Names by Peter E. Raper

https://www.britannica.com/plant/pepper-tree