剡 is a Chinese hanzi, listed here under the keyword “sharp”. It is built from 炎 (flame) and 刂 (knife). It appears as a component in 1 other character in this index.
On KumiJi Glyph Explorer, open the parts search and type “flame” + “knife”. 剡 is among the results, together with every other character containing the same shapes.
Open 剡 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.