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So on occasion on the border between 2 linguistic groups a pidgin language arises that mixes elements between the 2 languages to facilitate communication. Examples include Spanglish*, Kyakhta Russian–Chinese Pidgin, Russenorsk, etc.
My question is twofold:
1) Was there ever a language combing elements of Arab and Persian two facilitate communication between Arab and Persian speakers?
2) If the answer to the above is "no", than why?
* - though wiki tells me Spanglish isn't actually classified as a pidgin language.