The spelling of the word "saadun" corresponds to the Arabic language phonetics. The first syllable "saa" is pronounced as /sa/ and the second syllable "dun" is pronounced as /dʊn/. The word "saadun" does not have a specific meaning in English; it is used as a name and can be found in Arabic speaking countries. In Arabic language, it may have a specific definition or usage depending on the context it is used in.