The spelling of the word "brochu" may cause confusion for English speakers, as the letter "u" following "ch" is not typically used in English. However, the spelling can be understood through its origin in French. In French, the letters "ch" are pronounced as "sh", and the letter "u" after "ch" often modifies the sound slightly. Therefore, "brochu" is pronounced as "bro-shoo" when using the International Phonetic Alphabet (IPA). Understanding the etymology and pronunciation of words can help improve spelling accuracy.