U+16F6A "𖽪" Miao Vowel Sign U Unicode Character

U+16F6A "𖽪" Miao Vowel Sign U is a combining diacritical mark used in the Miao script, specifically within the Pollard Miao orthography, to represent a distinct vowel sound. This character is part of the Miao block in the Supplementary Multilingual Plane and is applied to a base consonant letter to modify its pronunciation, indicating a close back rounded vowel sound similar to the English "oo" in "boot." It is written as a small curved stroke or hook placed above or adjacent to the main character, serving as an essential component for accurately transcribing the tonal and phonetic nuances of the Miao language.