Here's what we know:
* Old English: The word "egg" comes from the Old English word "æg," which is thought to be related to words in other Germanic languages, like "ei" in Dutch and "Ei" in German.
* Proto-Germanic: These words likely all stem from an even older word in Proto-Germanic, which is the ancestor language of English, German, Dutch, and many other languages. This Proto-Germanic word might have been something like "*aigō."
* Indo-European: Linguists believe that the Proto-Germanic word "*aigō" itself might have come from an even older word in the Proto-Indo-European language, which is the ancestor of many of the languages spoken in Europe and parts of Asia. This hypothetical Proto-Indo-European word could have been something like "*h₂eygʷ-," which meant "egg" or "to lay eggs."
So, why "egg?"
While we don't have a definitive answer, it's likely that the word "egg" has been around for thousands of years and has evolved through different languages. It's a word that is deeply rooted in our history and has become a natural part of our everyday language.
It's interesting to think about how such a simple word has such a long and complex history!