συλλέγεσθαι

From LSJ

διὸ πᾶσαι αἱ τέχναι καὶ αἱ ποιητικαὶ ἐπιστῆμαι δυνάμεις εἰσίν → hence all arts, i.e. the productive sciences, are potencies

Source

Greek > English (Woodhouse Verbs Reversed)

(see also συλλέγω): collect, heap up