夲 is a Chinese hanzi, listed here under the keyword “advance quickly”. It is built from 大 (big) and 十 (ten). It appears as a component in 3 other characters in this index.
On KumiJi Glyph Explorer, open the parts search and type “big” + “ten”. 夲 is among the results, together with every other character containing the same shapes.
Open 夲 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.