禁 is a Chinese hanzi, listed here under the keyword “restrict”. It is built from 林 (forest) and 示 (show). It appears as a component in 6 other characters in this index.
On KumiJi Glyph Explorer, open the parts search and type “forest” + “show”. 禁 is among the results, together with every other character containing the same shapes.
Open 禁 in the interactive kanji search
to expand every part down to its smallest pieces, add your own names and mnemonic stories,
or search for other characters by their parts.