窟 — Cavern

Master (高手)くつ, こつ, いわや, いはや, あな

Radical ⽳ · radical 116 The building block this kanji is filed under

窟 (readings: くつ, こつ, いわや, いはや, あな; Japanese kanji) means “Cavern”. It is a Jōyō kanji taught in Japanese secondary school (junior & senior high) — the 高手 · Master tier beyond the grade 1–6 Kyōiku set, and appears in words such as 洞窟 (cave).

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What does 窟 mean?

Full details, readings & example

Kanji	窟
Meaning	Cavern
Readings	くつ, こつ, いわや, いはや, あな
Grade	Master (高手 · secondary school)
Curriculum	Jōyō kanji · Japanese secondary school (JLPT N1–N2)
Example	洞窟 (cave)

How to read 窟

窟 is read くつ or こつ or いわや or いはや or あな depending on the word.

Words with 窟

洞窟hang động

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Updated: 2026-07-22