ὕπαντρος
From LSJ
ἀλώπηξ, αἰετοῦ ἅ τ' ἀναπιτναμένα ῥόμβον ἴσχει → a fox, which, by spreading itself out, wards off the eagle's swoop
English (LSJ)
ον, (ἄντρον)
A with caverns underneath, cavernous, χώρα, γῆ, Arist.Mete.366a25, Pr.932a8, Str.9.2.16; νῆσος Theagen.17; πέτρα Ael.NA16.17. II underground, οἶκοι Id.VH12.38. 2 dwelling under the earth, Hsch.