The spelling of the word "Trofan" can be explained with the use of IPA (International Phonetic Alphabet) transcription. The word is pronounced as /ˈtrɔfən/, with stress on the first syllable. The "o" in the second syllable is pronounced as a short vowel sound /ə/, while the "a" in the final syllable is pronounced as a long vowel sound /ɑ:/. Therefore, the spelling of "Trofan" represents an English approximation of the original pronunciation, which may vary depending on the speaker's accent or dialect.