The word "Antu" is commonly spelled using the letters A-N-T-U, but its pronunciation is defined by the International Phonetic Alphabet (IPA) as /ɑntu/. This phonetic transcription reveals that the vowel sound in "Antu" is pronounced as an open back unrounded vowel, which is similar to the "a" sound in "father". The use of phonetic transcription is an important tool for accurately representing and understanding the sounds of different languages. By using IPA, speakers can better understand the pronunciation of words like "Antu" in a standardized and systematic way.