This rare kanji has no clear standalone meaning. Treat its meaning as uncertain.
The exact historical development of 巐 is uncertain. It visually combines 山 (mountain) with 髜, but the original purpose and component relationships are unclear.
The top is a mountain 山, and the bottom is a dense, tall shape. Picture a towering, mysterious peak whose name has been lost to time.
For チョウ, imagine a legendary mountain named Chou Peak: Chou -> チョウ, and the mountain 山 stands tall above the complex lower shape.
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