幕 is a Chinese hanzi, listed here under the keyword “curtain”. It is built from 莫 (do not) and 巾 (kerchief). It appears as a component in 3 other characters in this index.
On KumiJi Glyph Explorer, open the parts search and type “do not” + “kerchief”. 幕 is among the results, together with every other character containing the same shapes.
Open 幕 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.