歹 is a Japanese kanji, listed here under the keyword “death”. It is built from 一 (one) and 夕 (evening). It appears as a component in 8 other characters in this index.
On KumiJi Glyph Explorer, open the parts search and type “one” + “evening”. 歹 is among the results, together with every other character containing the same shapes.
Open 歹 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.