This rare kanji has no clear standalone meaning. Treat its meaning as uncertain.
The exact historical development of 扖 is uncertain. It is a rare character combining 扌 (hand) and 入 (enter), but its origin and original meaning are unclear.
The hand radical 扌 beside 入 (enter) suggests a hand entering or inserting something, but the actual meaning is uncertain.
For は, imagine a hand (扌) inserting a tooth (は, tooth) into a gap: は -> は.
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