English word ey comes from Proto-Indo-European *h₂ōwyóm (Egg.), Old English hēlā, Proto-Indo-European *h₂ekʷeh₂, Proto-Indo-European *h₂ékʷeh₂ (Water.), Proto-Germanic *ajjan, Proto-Germanic *agwjō
| Dictionary entry | Language | Definition |
|---|---|---|
| *h₂ōwyóm | Proto-Indo-European (ine) | Egg. |
| hēlā | Old English (ang) | |
| *h₂ekʷeh₂ | Proto-Indo-European (ine) | |
| *h₂ékʷeh₂ | Proto-Indo-European (ine) | Water. |
| *ajjan | Proto-Germanic (gem-pro) | |
| *agwjō | Proto-Germanic (gem-pro) | |
| *ajją | Proto-Germanic (gem-pro) | Egg. |
| æg | Old English (ang) | Egg. |
| ǣġ | Old English (ang) | |
| *ahwō | Proto-Germanic (gem-pro) | Stream, river. Water. |
| ieg | Old English (ang) | Island. |
| ēa | Old English (ang) | |
| hei | Middle English (enm) | |
| ey | English (en) | (obsolete) An egg. [obsolete since the sixteenth century]. |