盈 is a Chinese hanzi, listed here under the keyword “fill”. It is built from 夃 (夃) and 皿 (shallow container). It appears as a component in 4 other characters in this index.
On KumiJi Glyph Explorer, open the parts search and type “夃” + “shallow container”. 盈 is among the results, together with every other character containing the same shapes.
Open 盈 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.