From Wiktionary, the free dictionary
The Ancient Greek αἴξ (aíx), in reference.
αιξ • (aix) f (Katharevousa)
- see αἴξ (aíx): goat
- In Modern Greek the ancient accusative form αίγα (aíga) survives, from the stem αιγ- as in the ancient accusative τὴν (tḕn) αἶγα (aîga).