συνάρτησις
From LSJ
πωγωνοτροφία φιλόσοφoν οὐ ποιεῖ → a long beard does not make the philosopher
English (LSJ)
εως, ἡ,
A junction, union, τῶν φλεβῶν καὶ νεύρων Arist.Pr.883b22; joint of machine, Ph.Bel.91.8; combination of words, A.D.Synt.17.8. II connexion, cohesion of premisses with one another and with the conclusion in a syllogism, Stoic.2.79; of the clauses in a conditional sentence, Plu. 2.387a, S.E.P.2.111.