The spelling of the word "fellman" is determined by the International Phonetic Alphabet (IPA) phonetic transcription system. The word is pronounced as /ˈfɛlmən/, where "f" is pronounced as "f", "e" as "ɛ", "l" as "l", "m" as "m", and "n" as "n". This spelling accurately represents the sounds of the word, making it easier for phoneticians to study and transcribe. However, the word itself has no commonly recognized meaning and is not frequently used in everyday language.