The spelling of the word "microhenad" is based on the Greek language, where "micro" means small and "henad" means unity. In IPA phonetic transcription, it is pronounced as /maɪkroʊhɛnæd/. The first syllable "mi" is pronounced as "maɪ" with a long "i" sound, the second syllable "cro" is pronounced as "kroʊ" with a long "o" sound, followed by "he" pronounced as "hɛ", and finally "nad" pronounced as "næd". The combination of these sounds creates the unique pronunciation of this specialized term.