U+022C "Ȭ" Latin Capital Letter O with Tilde and Macron Unicode Character

U+022C "Ȭ" Latin Capital Letter O with Tilde and Macron is a precomposed Latin letter used primarily in the orthography of certain languages for phonetic or transliteration purposes, combining a standard uppercase O with a tilde diacritic above and a macron diacritic across the top, representing a long or nasalized vowel sound in contexts such as the transcription of Middle Vietnamese or Livonian. Its inclusion in Unicode ensures consistent digital representation across platforms, allowing scholars and linguists to accurately encode and display this specific glyph without relying on combining characters or font-specific workarounds.