What is ㅗ?

ㅗ is a Hangul vowel grapheme. It represents the sound [o].

• It's one of the basic vowels (모음) in the <a href="https://www.wikiwhat.page/kavramlar/Hangul">Hangul</a> alphabet.
• It's written with a horizontal stroke above a vertical stroke.
• When combined with other vowels and consonants, it forms various diphthongs and syllables. Examples include: 와 (wa), 워 (wo).
• In Korean romanization, it's typically romanized as "o."
• It's a monophthong, meaning it's a single vowel sound.
• It participates in vowel harmony, a feature of Korean phonology.