ἑδρικός
From LSJ
νόησε δὲ δῖος Ὀδυσσεὺς σαίνοντάς τε κύνας, περί τε κτύπος ἦλθε ποδοῖιν → godly Odysseus heard the fawning of dogs, and on top of that came the beat of two feet
English (LSJ)
ή, όν,
A belonging to the anus, Heliod. ap. Orib. 48.58.7, Crito ap.Gal.13.306, Aët.14.3, etc.
German (Pape)
[Seite 717] zum Gefäß, zum Stuhlgang gehörig, Medic.