This rare kanji has no clear standalone meaning. Treat its meaning as uncertain.
蛜 combines the insect radical 虫 with 伊, which likely contributes a phonetic element. The exact historical development is uncertain.
The insect radical 虫 suggests a bug-related meaning, but the kanji itself has no established definition. Think of it as a mysterious insect whose name is lost.
For イ, picture an insect shaped like the letter 'E' crawling on the right-side 伊: E -> イ.
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