翳 is a Chinese hanzi, listed here under the keyword “shade”. It is built from 殹 (an echo) and 羽 (feather). It appears as a component in 2 other characters in this index.
On KumiJi Glyph Explorer, open the parts search and type “an echo” + “feather”. 翳 is among the results, together with every other character containing the same shapes.
Open 翳 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.