The spelling of the word "Keithana" can be broken down phonetically as /kiːθɑːnə/. This word is a proper noun and does not have a standardized spelling in the English language. However, the IPA transcription can provide a guide for pronunciation. The initial sound of "Kei" is a long "e" followed by a voiced dental fricative for "th." The final syllable is pronounced with a long "a" sound followed by a schwa sound. Therefore, this transcription provides a clear guide for pronouncing "Keithana."