Since I know neither the language, nor the script, but I know a very little about the general structure of both of these, and using unicode tables, I tried googling again.
I think the word شمردل is pronounced shamardal and according to an Arabic English dictionary
http://tinyurl.com/66cfxy (pg 555 second column top; remember to get to increasing page numbers by going up) it means long, swift, fine, handsome. Looking at related words, the root شمر (sheen-meem-reh) seems to be the root, but that is as far as I got before I had to stop playing around.
שמר (shin-mem-resh) in Hebrew seems to mean to put a hedge around, protect, or watch.
http://tinyurl.com/67mx7u pg. 174 says shamar in Persian is a river. So, there I have now poured out all my confusion ...