τριπλασιάζω
From LSJ
Ὁ μὲν βίος βραχύς, ἡ δὲ τέχνη μακρή, ὁ δὲ καιρὸς ὀξύς, ἡ δὲ πεῖρα σφαλερή, ἡ δὲ κρίσις χαλεπή → Life is short, art long, opportunity fleeting, experience misleading and judgment difficult
English (LSJ)
A to triple, take three times, Apollod.2.4.8, Plu.2.1028b, Dam.Pr.98:—Pass., Plu.Arist.24:—hence τριπλᾰσῐ-ασμός, ὁ, a tripling, Id.2.1028c (pl.).
Greek (Liddell-Scott)
τρῐπλᾰσιάζω: ὡς καὶ νῦν, πολλαπλασιάζω ἐπὶ τρία, ποιῶ τριπλάσιον, Πλούτ. 2. 1028Β - ὁ αὐτ. ἐν Ἀριστείδῃ 24· - ἐντεῦθεν τρῐπλᾰσιασμός, ὁ, τὸ τριπλασιάζειν, ὁ αὐτ. 2. 1028C.