διῶρυξ

υχος, υγος, ὁ
A. trench, conduit, canal, Hdt. 1.75, Hp. Aër. 15, Th. 1.109, etc.; κρυπτὴ δ. an underground passage, Hdt. 3.146; = fossa, Plu. Fab. 1 (pl.).
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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