余留

remainder / fractional part (after the decimal point) / unfinished

surname Yu

(archaic) I / me / variant of 餘|余[yu2], surplus

extra / surplus / remaining / remainder after division / (following numerical value) or more / in excess of (some number) / residue (math.) / after / I / me

old variant of 留[liu2]

to leave (a message etc) / to retain / to stay / to remain / to keep / to preserve

old variant of 留[liu2]

unfinished business

unsigned remainder (i.e. the remainder after rounding to the nearest integer)