U+11721 "𑜡" Ahom Vowel Sign Aa Unicode Character

U+11721 "𑜡" Ahom Vowel Sign Aa is a diacritical mark used in the Ahom script, an abugida historically employed to write the Ahom language of the Tai people in present-day Assam, India. This specific vowel sign modifies a consonant character to indicate the long "aa" vowel sound, functioning as a dependent vowel that attaches to the top of a consonant letter. Its inclusion in the Unicode Standard under the Ahom block allows for the digital preservation and accurate electronic representation of this ancient script, which was primarily used for religious and administrative texts from the 13th to the 18th centuries.