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火口原湖 (kakougenko) Japanese meaning: crater lake | Kotomora

火か口こう原げん湖こ

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Meanings

1

A lake formed in a volcanic crater, typically within a caldera or on a volcano's summit.

火か口こう原げん湖この水みずは、しばしば強つよい酸さん性せいを示しめす

。

The water of a crater lake often shows strong acidity.

Kanji

火fire
口mouth
原meadow, original, primitive
湖lake

Related words

カルデラ湖こ
カルデラ湖 is a caldera lake, which is a broader term for a lake in a large volcanic depression, while 火口原湖 specifically refers to a lake within a crater.

Built from

火か口こう原げん+湖こ

Etymology

Compound of 火口 (crater) + 原 (field, plain) + 湖 (lake), literally 'crater-plain lake'. The exact historical derivation is uncertain, but the term is used in volcanology.