σώζειν
From LSJ
τοῦ εἰδέναι χάριν ἡ πραγματεία → knowledge is the object of our inquiry, the aim of our investigation is knowledge
Greek > English (Woodhouse Verbs Reversed)
(see also σώζω): guard, keep, maintain, observe, preserve, retain, save, bring safety to, comply with, keep in mind, keep up, lay to heart, retain in the memory, store up