From Wiktionary, the free dictionary
ㆆ
- (linguistics) In contemporary Korean dialectology, used to represent an archiphoneme which tenses the subsequent consonant.
- (obsolete) Used for the same purpose in New Korean Orthography, a brief-lived (1948—1954) spelling reform in North Korea.
From ㅇ (null consonant), with an additional stroke.
- IPA(key): /ʔ/ (in Chinese transcription)
- IPA(key): /◌͈/ (in native Korean)
ㆆ (q)
- Transcribes [ʔ] in Chinese. This was not a sound in Middle Korean.
- Used to represent an archiphoneme which tenses the subsequent consonant.
- Called 여린히읗 (yeorinhieut) in Modern Korean.