R / rēstagnātĭo
noun

rēstagnātĭo

gen. rēstagnātōnis · gender feminine · decl. 3rd
an overflowing; inundation
an overflowing, inundation: Euphratis, Plin. 6, 28, 32, § 146; cf. id. 2, 67, 67, § 168: alvi, a rising, id. 11, 37, 66, § 176.