suffix
n.
1778, from Modern Latin suffixum, noun use of neuter of Latin suffixus "fastened," past participle of suffigere "fasten, fix on, fasten below," from sub "upon" (see sub-) + figere "fasten" (see fix, v.). Related: Suffixal.
v.
in the grammatical sense, 1778, from suffix, n.. Earlier "to put or place under" (c.1600). Related: Suffixed; suffixing.
〔李〕[suf-;fix] n.后缀 a.下标的 ←fix (L figere,fixus)=to fasten, fix固定