Korean

Noun

흑 • ‎(heuk) ‎(hanja 黑)

1. The color black.
2. (board games) A black stone used in the game of go.

Synonyms

• 흑색 (黑色, heuksaek, “black”)
• 검은색 (geomeunsaek, “black”)
• 흑지 (heukji, “black go stone”)

Syllable

흑 (heuk)

1. 黑: black

   (eumhun reading: 검을 흑 ‎(geomeul heuk))

Etymology 2

Onomatopoietic rendering of the sharp intake of breath when surprised or crying.

Interjection

흑 • ‎(heuk)

1. Sobbing.
2. Expressing shock or disappointment.

Related terms

• 헉 (heok)
• 허걱 (heogeok)

References

• Marked as an adverb in the 표준국어대사전 (Pyojun-gugeodaesajeon, "Unabridged Dictionary of Korean", without explanation.