JMdict: 2561510

地底湖 【ちていこ】

  1. [n] underground lake; subterranean lake
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
地 Ground, Earth チ, ジ
底 Bottom, Sole, Depth, Bottom Price, Base, Kind, Sort テイ そこ
湖 Lake コ みずうみ