adunatio
From LSJ
φιλεῖ δέ τοι, δαιμόνιε, τῷ κάμνοντι συσπεύδειν θεός → you know, my good fellow, when a man strives hard, a god tends to lend him aid
Latin > English
adunatio adunationis N F :: union, uniting, making into one
Latin > English (Lewis & Short)
ădūnātĭo: ōnis, f. (like the verb aduno, only in later authors),
I a making into one, a uniting, a union, ἕνωσις, Cyp. Ep. 57 (60 Oxon.), 61 (62 ib.); Cassiod. Ep. 4, 33 and 36.
Latin > French (Gaffiot 2016)
ădūnātĭō, ōnis, f. (aduno), assemblage, réunion : Tert. Pud. 5 || union, unité : Cypr. Ep. 63, 13.
Latin > German (Georges)
adūnātio, ōnis, f. (aduno) = ἕνωσις, die Vereinigung, Verbindung, Spät.