id: "Avst" name: "Avestan" historical: true family: "Middle Eastern" summary: "Avestan is a historical Middle Eastern alphabet, written right-to-left. Was used in the 5th–13th century CE for Avestan, an Eastern Iranian language. Developed during Iran’s Sassanid era. Was probably in everyday use, though the only surviving examples are religious texts called Avesta. Has 37 consonants and 16 vowels."