尾 — “Tail / End / Counter For Fish / Lower Slope Of Mountain” in Japanese

Master (高手)び, お

Radical ⼫ · radical 44 The building block this kanji is filed under

“Tail / End / Counter For Fish / Lower Slope Of Mountain” in Japanese is 尾, read bi, o (び, お). 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 尾行 (shadowing, tailing).

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What does 尾 mean?

Full details, readings & example

Kanji	尾
Meaning	Tail / End / Counter For Fish / Lower Slope Of Mountain
Readings	び, お
Grade	Master (高手 · secondary school)
Curriculum	Jōyō kanji · Japanese secondary school (JLPT N1–N2)
Example	尾行 (shadowing, tailing)

How to read 尾

尾 is read bi (び) or o (お) depending on the word.

Words with 尾

尾行
尻尾

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Updated: 2026-08-28