This rare kanji has no clear standalone meaning. Treat its meaning as uncertain.
蕫 combines the grass radical 艹 with 童, but its exact historical development and original meaning are uncertain.
The grass radical 艹 sits above 童, suggesting a plant or herb, but the specific meaning is unclear.
For トウ, imagine a tall grass named 'toe' grass: toe -> トウ, growing above a child-like shape 童.
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