The spelling of the word "Eatmon" can be explained through its phonetic transcription. According to the International Phonetic Alphabet (IPA), "Eatmon" is pronounced as [ˈiːtmən]. This means that the first syllable "Eat" is pronounced with a long "ee" sound followed by a "t" sound. The second syllable "mon" is pronounced with a schwa sound followed by an "n" sound. Therefore, the correct spelling of this word is "Eatmon" and not "Eitmon" or "Etmon."
There does not seem to be a widely recognized etymology for the word Eatmon. It is possible that Eatmon is a surname or a proper name, but without more specific context, it is challenging to ascertain its origin. Additionally, it may also be a variant or a misspelling of another word. Ultimately, without further information, it is difficult to provide a definitive etymology for the word Eatmon.