The word for folder has an interesting history. It came into English in the 16th century from the French verb filer, to string on a thread. This relates to storing documents by tying them together with string. It comes from the Latin filum, meaning thread, from which we also get our word filament.
Common misspellings of the word chicken are: 1  chicken in french. 2  chicken in spanish. 3  chicken in german. 4  chicken in italian. 5  chicken in portuguese.
2) If you mean an egg laid BY a chicken then the Chicken necessarily comes first. 3) If you mean an egg that CONTAINS a chicken then an almost-Chicken (one or a few mutations from being a true Chicken) would have laid the first Chicken Egg. Your difficulty with (3) would be defining exactly what a Chicken is genetically.