προσκτᾶσθαι
From LSJ
ἀσκεῖν περὶ τὰ νοσήματα δύο, ὠφελεῖν ἢ μὴ βλάπτειν → strive, with regard to diseases, for two things — to do good, or to do no harm | as to diseases, make a habit of two things — to help, or at least, to do no harm
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.