Korean

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Etymology

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From native Korean ("ground, earth") + Sino-Korean syllable ("cave")

Pronunciation

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Romanizations
Revised Romanization?ttanggul
Revised Romanization (translit.)?ttanggul
McCune–Reischauer?ttanggul
Yale Romanization?ttangkwul

Noun

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땅굴 (ttanggul) (hanja ―窟)

  1. Underground tunnel