diatriba
From LSJ
τοῦ εἰδέναι χάριν ἡ πραγματεία → knowledge is the object of our inquiry, the aim of our investigation is knowledge
Latin > English (Lewis & Short)
dĭā̆trĭba: ae, f., = διατριβή,
I a learned discussion.—Transf., a school, Gell. 1, 26; 17, 20, 4 al.