| Language | Reflex(es) | Gloss | Grammar | Sources |
|---|
| Celtic |
| Old Irish | og | egg | n | CDC LRC |
| Irish | ugh | egg | n | CDC LRC |
| Gaelic | ubh | egg | n | CDC LRC |
| Welsh | wy | egg | n | CDC LRC |
| English |
| Old English | æ(i)g | egg | n.neut | ASD LRC |
| Middle English | cokeney | lit. cock's egg | n | W7 LRC |
| Middle English | egge, ey(e) | egg | n | CDC LRC |
| English | caviar | roe of sturgeon/large fish | n | AHD LRC |
| English | cockney | spoiled child; milksop, effiminate male | n | AHD W7 LRC |
| English | egg | hard-shelled reproductive body | n | AHD W7 LRC |
| English | o(o)- | egg, ovum | pfx | AHD W7 LRC |
| English | oolemma | thick solid membrane around mammalian ovum | n | AHD LRC |
| English | oval | egg-shaped | adj | AHD W7 LRC |
| English | ovary | female reproductive organ | n | AHD W7 LRC |
| English | ovate | oval | adj | AHD LRC |
| English | ov(i)- | egg, ovum | pfx | AHD LRC |
| English | ovolo | rounded convex molding | n | AHD W7 LRC |
| English | ovule | outgrowth of ovary of seed plant | n | AHD W7 LRC |
| English | ovum | egg, macrogamete, female gamete | n | AHD W7 LRC |
| West Germanic |
| Dutch | ei | egg | n | CDC LRC |
| Middle Low German | ei(g) | egg | n | CDC LRC |
| Old High German | ei | egg | n.neut | ASD LRC |
| Middle High German | ei | egg | n.neut | ASD LRC |
| German | Ei | egg | n.neut | ASD LRC |
| North Germanic |
| Old Norse | egg | egg | n.neut | LRC |
| Danish | æg | egg | n.neut | CDC LRC |
| Swedish | ägg | egg | n.neut | ASD LRC |
| East Germanic |
| Gothic | *addjis | egg | n | CDC LRC |
| Crimean Gothic | ada | egg | n | CDC LRC |
| Italic |
| Latin | ōvum, ōvī | egg, ovum | n.neut | ELD LRC |
| Late Latin | ovalis | re: egg | adj | W7 LRC |
| Medieval Latin | ovalis | oval | adj | W7 LRC |
| New Latin | ovarium | ovary | n.neut | W7 LRC |
| New Latin | ovulum | ovule | n.neut | W7 LRC |
| Portuguese | ôvo | egg, ovum | n | CDC LRC |
| Spanish | huevo | egg, ovum | n | CDC LRC |
| Old French | oef | egg, ovum | n | CDC LRC |
| French | œuf | egg, ovum | n | TLL LRC |
| Provençal | (u)ov | egg, ovum | n | CDC LRC |
| Italian | uovo, òvo(lo) | egg, ovum | n.masc | W7 LRC |
| Hellenic |
| Homeric Greek | οἰωνός | large bird, bird of prey | n.masc | LRC |
| Greek | ᾠόν | egg, ovum | n.neut | LS LRC |
| Indo-Iranian |
| Middle Persian | khāyak | egg, caviar | n | AHD LRC |