The spelling of the word "NaBOHO" can be explained using the International Phonetic Alphabet (IPA). The first syllable "Na" is pronounced as /nɑː/, with a long "a" sound. The second syllable "BO" is pronounced as /bəʊ/, with a diphthong "o" and "u" sound. The last syllable "HO" is pronounced as /hoʊ/, with a diphthong "o" and "u" sound. Therefore, the correct pronunciation of "NaBOHO" is /nɑːbəʊhoʊ/.
There does not seem to be any established etymology for the word "NaBOHO". It is possible that this term is a made-up word, acronym, or a proper noun specific to a certain context or language. Without further information or context, it is difficult to determine its origin or meaning.