κατάρρο-ος · katarro-os — LSJ
down-flowing, Νεῖλος Philostr. VA 6.23.
full of streams, νῆσος Id. Im. 2.17.
Subst., running from the head, catarrh, Hp. Aph. 3.12 (pl.), Pl. R. 405d (pl.), Cra. 440c, etc.: distd. from κόρυζα etc. by Gal. 7.263: metaph., Pl. Cra. 440d.