ㅌ

The Hunmin Jeongeum Haerye, the treatise introducing the principles behind the Korean alphabet written by its inventor King Sejong in 1446, explains that this glyph was derived by adding a stroke to ㄷ (d) to represent aspiration.

• IPA^(key): /tʰ/
• Actual realisation:

  (syllable-initially) IPA^(key): [tʰ]

  (before stops, or word-finally) IPA^(key): [t̚]

  (before nasals) IPA^(key): [n]

ㅌ • (t)

1. 티읕 (tieut, “tieut”), a jamo (letter) of Hangul, the Korean alphabet: the aspirated alveolar plosive ([tʰ])

• (aspirated plosives): ㅋ (k, “k”), ㅍ (p, “p”), ㅊ (ch, “ch”)
• (alveolar jamo): ㄷ (d, “d”), ㄴ (n, “n”)