余项

remainder term (math.) / remainder / residue

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

surname Xiang

back of neck / item / thing / term (in a mathematical formula) / sum (of money) / classifier for principles, items, clauses, tasks, research projects etc