ἦτρον
From LSJ
πλέων επί οίνοπα πόντον επ' αλλοθρόους ανθρώπους → while sailing over the wine-dark sea to men of strange speech
English (LSJ)
τό,
A abdomen, esp. the lower part of it, Hp.Aph.2.35, Pl.Phd. 118a, X.An.4.7.15, D.54.11, Arist.HA493a19, Sor.1.24: metaph., belly of a pot, Ar.Th.509. II pith of a reed, Nic.Th.595.