τριώρυγος
τριώρυγος, ον, ( ὄργυια)
of three fathoms, restored in X. Cyr. 6.1.52 by L. Dind. from the best codd. (which have τριώρων or τριώρυον), others having τριόργυ(ι)ον: cf. διώρυγος, πεντώρυγος.