The spelling of the word "trogdon" can be explained using the International Phonetic Alphabet (IPA) phonetic transcription. It is spelled as /trɒɡdən/ with the stress on the first syllable. The 't' and 'r' sounds are pronounced with a slight pause between them, and the 'o' is pronounced as a short vowel sound. The 'g' sound is produced with the back of the tongue, while the 'd' and 'n' sounds are pronounced using the tip of the tongue. Overall, the spelling of "trogdon" reflects its pronunciation.