The word "Trifistulary" is spelled using the IPA phonetic transcription system as /traɪˈfɪstjʊləri/. This word combines the prefix "tri-", which means three, with "fistulary," an obsolete term for a temple or shrine. The combination creates a noun describing a three-part temple or shrine, though it is not commonly used in modern language. The spelling of "Trifistulary" may be challenging at first, but practicing with phonetic transcriptions can help improve spelling and pronunciation skills.