The word "archimonerula" may seem like a daunting spelling challenge, but it can be broken down phonetically. The first syllable sounds like "arkhi" with a hard "k" sound, followed by "mon" like "mah-n", then "er" like "ur", and finally "ula" like "yoo-lah". The IPA phonetic transcription for this word would be /ɑrkiˈmɑnərjulə/. While it may not be a commonly used word, breaking it down phonetically can simplify its spelling.
The primitive monerula from which the archicytula develops.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.