Liddell–Scott–Jones: ἐξαγωγ-ός

ἐξαγωγ-ός,ὁ,

A. waste-pipefor letting off water, Timarch. ap. Ath. 11.501f , PLond. 3.1177.315

(ii A.D.).

II. overflow drain,

PPetr. 2p.14

(iii B.C.), etc.