Korean edit

 
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Etymology edit

Sino-Korean word from 天球.

Pronunciation edit

Romanizations
Revised Romanization?cheon'gu
Revised Romanization (translit.)?cheongu
McCune–Reischauer?ch'ŏn'gu
Yale Romanization?chenkwu

Noun edit

천구 (cheon'gu) (hanja 天球)

  1. celestial sphere