The spelling of the word "JAEISHA" can be explained using IPA phonetic transcription. The first syllable, "jae," is pronounced as "dʒeɪ," with the "j" sound being represented by the "dʒ" symbol and the "a" sound by the "eɪ" symbol. The second syllable, "isha," is pronounced as "iːʃə," with the "i" sound being represented by the "iː" symbol and the "sh" sound by the "ʃ" symbol. The final "a" sound is represented by the "ə" symbol, which is the schwa sound.