influxio
From LSJ
influxĭo: ōnis, f. id.,
I a flowing in (late Lat.): materialis influxio in corpus, Macr. Somn. Scip. 1, 12, 10; Cael. Aur. Acut. 2, 37, 192.—
II Transf., a cold, catarrh: ad nares, ad fauces, ad thoracem, Cael. Aur. Tard. 2, 7 et saep.