亅

vertical hook

Component (a building block) — not the same thing as a radical or a sound component. · 1strokes

Characters that use it as a component

丁乎了争于小

Characters filed under it as a radical

Kangxi radical no.6 · 1strokes — The 214 Kangxi radicals

Filed under it in a dictionary. That is a lookup convention — it does not mean it is the only part the character is built from.

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