This rare kanji has no clear standalone meaning. Treat its meaning as uncertain.
仈 combines 亻 (person) and 八 (eight), but the exact historical development and original meaning are uncertain.
A person 亻 beside the number eight 八. Since the meaning is unclear, you can remember it as a mysterious person associated with the number eight.
For ハツ, imagine a person 亻 holding a hat ハツ shaped like the number eight 八: hat -> ハツ.
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