Complex sentence: The word "inselberg" is German for "island mountain"; the name was coined by geologist Wilhelm Bornhardt (1864--1946) in 1900 to describe the abundance of such features found in southern Africa.
Split into simpler sentences: The word "inselberg" is German for "island mountain". The name was coined in 1900 by geologist Wilhelm Bornhardt (1864--1946) to describe the abundance of such features found in southern Africa.