aetiologia
From LSJ
Πρόσεχε τῷ ὑποκειμένῳ ἢ τῇ ἐνεργείᾳ ἢ τῷ δόγματι ἢ τῷ σημαινομένῳ. → Look to the essence of a thing, whether it be a point of doctrine, of practice, or of interpretation.
Latin > English (Lewis & Short)
aetĭŏlŏgĭa: ae, f., = αἰτιολογία,
I an allegation of reasons, a bringing of proofs, Isid. Orig. 2, 21.
Latin > French (Gaffiot 2016)
ætĭŏlŏgĭa,¹⁶ æ, f., recherche des causes : Sen. Ep. 95, 65