Origin: Germanic Old English prefix
Berg has 6 different meanings across 2 categories:
Austrian composer in Schoenberg's twelve-tone music system (1885-1935)
"Berg composed a hauntingly beautiful violin concerto that stands as a masterpiece of the twelve-tone technique."
An iceberg.
"The hikers climbed up the steep berg to reach the snowy peak."
mountain
A place name, notably of:
"The steep mountain known as Berg overlooks the valley below."
A former duchy and later grand duchy in Westphalia (Western Germany).
"The historic region of Berg was once a powerful duchy before becoming part of Prussia."
The word berg is a clipping derived from the term iceberg. It entered English as a shortened form to refer specifically to large masses of floating ice or mountains made of snow and ice.