English word suffix comes from Latin figere, Latin sub

Detailed word origin of suffix

Dictionary entry	Language	Definition
figere	Latin (lat)
sub	Latin (lat)	(with ablative) about, around (time). (with ablative) at the feet of. (with ablative) behind. (with ablative) under, beneath. (with ablative) within, during. (with accusative) under, up to, up under, close to (of a motion). (with accusative) until, before, up to, about.
suffixum	Latin (lat)
suffix	English (eng)	(transitive) To append (something) to the end of something else. (grammar, linguistic morphology) A morpheme added at the end of a word to modify the word's meaning.. (mathematics) A subscript.

Words with the same origin as suffix