Liddell–Scott–Jones: ὑπόρρῠσις

ὑπόρρῠσις,εως,ἡ, (ὑπορρέω)

A. surface-drainfor streets, Str. 14.1.37 (pl.).

2. drainageof wounds, Heliod. ap. Orib. 50.49.1 .

II. metaph.,falling awayof flesh, Hp. Off. 3 (dub. sens.).