U+08F0 "ࣰ" Arabic Open Fathatan Unicode Character

U+08F0 "ࣰ" Arabic Open Fathatan is a combining diacritical mark used in the Arabic script to represent a variant of the nunation or tanwin diacritic, specifically an open "fatha" form with a double fatḥah indicating the indefinite accusative case or adverbial ending, typical in Quranic and certain classical Arabic orthographies. It appears as a small, open superscript symbol placed above an Arabic letter, distinguishing it from the standard fatḥatan which has a closed or looped shape. This character is part of the Arabic Extended-A block and is employed in the precise transcription of Arabic vocalization, particularly in the recitation of the Quran where it denotes a nasalized or prolonged pronunciation of the final -an sound. Its correct rendering relies on appropriate font support and text processing systems that respect the complex bidirectional and combining character behavior of Arabic script.