惰 is a Chinese hanzi, listed here under the keyword “indolent”. It is built from 忄 (heart), 左 (left) and 月 (moon). It appears as a component in 1 other character in this index.
On KumiJi Glyph Explorer, open the parts search and type “heart” + “left” + “moon”. 惰 is among the results, together with every other character containing the same shapes.
Open 惰 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.