incantatio
From LSJ
δρυὸς πεσούσης πᾶς ἀνὴρ ξυλεύεται → when the oak falls, everyone cuts wood | when an oak has fallen, every man gathers wood | on the fall of an oak, every man gathers wood | when an oak has fallen, every man becomes a woodcutter | one takes advantage of somebody who has lost his strength | one takes advantage of somebody who has lost his power | when the tree is fallen, every man goes to it with his hatchet
Latin > English (Lewis & Short)
incantātĭo: ōnis, f. id.,
I an enchanting, enchantment (post-class.): magicae, Firm. Math. 5, 5: incantationum vires, Tert. Hab. Mul. 2.