CALO is a Spanish word that has made its way into English. It is pronounced as /kɑːləʊ/ with a stress on the first syllable. The IPA phonetic transcription of this word reveals that the first letter 'C' is pronounced as a velar sound /k/, and the second letter 'A' is pronounced as an open back unrounded vowel /ɑː/. The letter 'L' is pronounced as a clear lateral approximant, and the letter 'O' is pronounced as a diphthong /əʊ/, which sounds like the vowel sounds in 'go' and 'snow'.