aientia

ψυχῆς πείρατα ἰὼν οὐκ ἂν ἐξεύροιο πᾶσαν ἐπιπορευόμενος ὁδόν· οὕτω βαθὺν λόγον ἔχει → one would never discover the limits of soul, should one traverse every road—so deep a measure does it possess

Latin > English (Lewis & Short)

aientĭa: ae, f. aio,
I an affirmation (opp. negatio), Mart. Cap. 4, p. 75 Vulc.

ăientĭa, æ, f. (aio), affirmation : Capel. 4, 384.