This rare kanji has no clear standalone meaning. Treat its meaning as uncertain.
狾 combines the animal radical 犭 with 折, but the exact historical development and original meaning are uncertain.
The left side 犭 suggests an animal, and the right side 折 means to break or fold. Picture a dog breaking a stick, but the actual meaning is unclear.
For セイ, imagine a dog saying 'say' (セイ) as it breaks a stick: say -> セイ, though the kanji's meaning is uncertain.
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