Answer
The combining form "mur-" is derived from the latin word murus which means a wall. This use is evidenced in the word intramural ( as walls of vessels of the cardiovascular system)
Work Step by Step
The prefix "mur-' can also be a shortened form of the Latin "murmur" ( French "murmure) . The word murmur is part of the term "mitral valve murmur." Murmur in this means "sounds like grumbling voices" or " rumbling".
