Definitions
dorsal fins; horse's mane
Etymology
About
The character 鬐 is an anatomical noun referring primarily to a horse's mane or the dorsal fins of a fish. It is a top-bottom phono-semantic compound. The semantic upper component 髟, meaning long hair, categorizes the term as relating to animal hair or similar appendages. The lower component 耀, meaning elder, acts purely as a phonetic indicator. This structure shows how a single descriptor for a hair-like or fin-like ridge on an animal's back can apply across species, with the semantic radical for hair positioned above the phonetic element.
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