προσκτᾶσθαι
From LSJ
Σοφία γάρ ἐστι καὶ μαθεῖν, ὃ μὴ νοεῖς → Et discere id, quod nescias, aspienta est → Zu lernen fordert Weisheit auch, was du nicht weißt
Greek > English (Woodhouse Verbs Reversed)
(see also προσκτάομαι): acquire in addition, gain in addition, get in addition, obtain in addition
Lexicon Thucydideum
insuper comparare, ditioni suae adiicere, to acquire besides, add to one's dominion, 3.28.3, 4.95.2, 6.18.2, 6.24.3,
PASS. 2.62.3.