δίοδος

A. way through, passage, pass, of Thermopylae, Hdt. 7.201, cf. 9.99, Ar. Th. 658, IG 22.463.122, etc.; δ. ὕδατος Th. 2.102; ἄστρων δίοδοι their pathways, orbits, A. Pr. 1050 (lyr.); δ. ἔχειν to command the road, Th. 7.32; αἱ δ. τῶν πτερῶν Pl. Phdr. 255d; δ. αἰτεῖσθαι, αἰτεῖν, ask leave to pass, demand a safe-conduct, Ar. Av. 189, Aeschin. 3.151.

II. passing through the bowels, μελάνων Hp. Prorrh. 1.127.