Terminology Origin

Syntactic function	Greek suntaktikos, from suntassein ‘arrange together’
a syntactic role that a word or other linguistic unit fills in relation to other elements in its syntactic construction, for instance, the syntactic roles of subject, predicate, direct object, indirect object, etc
51	Symbolic units	meaning "to measure" in Greek	Linguistic unit used to indicate both kinds of lexical and grammatical ones that share the same bipolar nature