U+AA31 "ꨱ" Cham Vowel Sign Au Unicode Character

U+AA31 "ꨱ" Cham Vowel Sign Au is a combining diacritical mark used for writing the Cham language, particularly in the Cham script native to the Cham people of Vietnam and Cambodia. This character represents the vowel sound "au" and is placed above or attached to a consonant base to modify its pronunciation, forming part of the complex syllable structure of the Cham script. As a component of Unicode’s Cham block, it helps preserve and digitally represent the Austronesian language, which has a rich historical and cultural heritage tied to the ancient Champa kingdoms.