προσθιγγάνω
From LSJ
Ἔοικα γοῦν τούτου γε σμικρῷ τινι αὐτῷ τούτῳ σοφώτερος εἶναι, ὅτι ἃ μὴ οἶδα οὐδὲ οἴομαι εἰδέναι → I seem, then, in just this little thing to be wiser than this man at any rate, that what I do not know I do not think I know either
English (LSJ)
fut. -θίξομαι,
A touch, τινος S.Ph.9, E.IA339 (troch.); εἰ δὲ τῶνδε προσθίξῃ χερί with the hand, Id.Heracl.652: abs., προσθιγών by his touch, A.Ch.1059, cf. S.Ph.817, Philum.Ven.36.3.
German (Pape)
[Seite 766] (s. θιγγάνω), anrühren, berühren; c. gen., Λοξίου δὲ προσθιγών, Aesch. Ch. 1055; ἀπό μ' ὀλεῖς ἢν προσθίγῃς, Soph. Phil. 806; οὔτε λοιβῆς ἧμιν οὔτε θυμάτων παρῆν ἑκήλοις προσθιγεῖν, 9; μή σου προσθίγω γενειάδος, Eur. Hec. 344; εἰ τῶνδε προσθίξεις χερί, Heracl. 652; und praes., I. A. 339.