U+1B166 "𛅦" Katakana Letter Small Wo Unicode Character

U+1B166 "𛅦" Katakana Letter Small Wo is a relatively recent addition to the Unicode Standard, encoding a historical variant of the katakana syllabary used for writing the Japanese language. This small "wo" character represents a diminutive or subscript form of the standard katakana character ヲ (wo), and its inclusion was part of the Unicode 14.0 release in 2021 to support extended Kana usage, particularly in academic or linguistic contexts for transcribing ancient Japanese texts or addressing specific phonetic distinctions. Unlike regular-sized katakana, the small version is typically used in combination with other characters or for specialized orthographic purposes, reflecting a broader effort to preserve and standardize rare script forms in digital environments.