fluminalis
From LSJ
φελένη καὶ φάναξ καὶ φοῖκος καὶ φαήρ → Ἑλένη καὶ ἄναξ καὶ οἶκος καὶ ἀήρ | Helen, lord, house, and air
flūmĭnālis: e, adj. id.,
I of or belonging to a river, river- (late Lat.): navigatio, Cael. Aur. Tard. 1, 1, 44: cancri, river crawfish, id. ib. 1, 4, 119.