Du Toit's Pan, now usually Dutoitspan, refers to one of the earliest diamond

Diamond

In mineralogy, diamond is an allotrope of carbon, where the carbon atoms are arranged in a variation of the face-centered cubic crystal structure called a diamond lattice. Diamond is less stable than graphite, but the conversion rate from diamond to graphite is negligible at ambient conditions...

 mining

Mining

Mining is the extraction of valuable minerals or other geological materials from the earth, from an ore body, vein or seam. The term also includes the removal of soil. Materials recovered by mining include base metals, precious metals, iron, uranium, coal, diamonds, limestone, oil shale, rock...

 camps at what is now Kimberley

Kimberley, Northern Cape

Kimberley is a city in South Africa, and the capital of the Northern Cape. It is located near the confluence of the Vaal and Orange Rivers. The town has considerable historical significance due its diamond mining past and siege during the Second Boer War...

, South Africa

South Africa

The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...

. It was renamed Beaconsfield, which existed as a separate borough from Kimberley itself until Kimberley and Beaconsfield were amalgamated as the City of Kimberley in 1912.

An early map drawn by George Paton on the eve of the discovery of diamonds mentions 'Teuzpan' which, when pronounced in the German way, sounds the way local Dutch/Afrikaans

Afrikaans

Afrikaans is a West Germanic language, spoken natively in South Africa and Namibia. It is a daughter language of Dutch, originating in its 17th century dialects, collectively referred to as Cape Dutch .Afrikaans is a daughter language of Dutch; see , , , , , .Afrikaans was historically called Cape...

-speaking farmers would have pronounced (Du) Toit's Pan.