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>>I've heard of name Jamezdin in Bosnia. Sounds Muslim... but it's of Western origin. Can anyone guess how?
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>My first guess would be originated from the Arabic words "Shams ud Din" which freely translated means "Sun of belief/relegion". I am eager to hear the western origin of this name...

James Dean. It's a mix of the Western spelling and the phonetic Džems Din that somehow got mixed into this one and practically created a new name. Probably because it had the -din suffix (as in Shemsudin, Alladdin, Nasradin etc) it felt natural and was accepted.