The spelling of the word "Leondaus" is not a commonly used word. It seems that the intended word may actually be "Leondius", which is spelled /liː'ɑːndiəs/. This word is of Greek origin and is used as a proper name. In IPA phonetic transcription, the stress is on the third syllable and the "d" sound is replaced with a voiced "j" sound, as in "juh". The correct spelling of this name can be important for ensuring accurate communication in written or spoken contexts.