The spelling of "Apallaxis" can be explained using IPA phonetic transcription. The initial "A" is pronounced as a schwa sound, the "p" is aspirated, and the double "l" is pronounced as a lateral approximant. The "a" in the middle is pronounced as a long "a" sound, followed by the "x" pronounced as a voiceless velar fricative. The final "is" is pronounced as a short "ih" sound followed by a voiced "z" and the "i" pronounced as a long "e" sound. Overall, the spelling of "Apallaxis" accurately reflects its pronunciation using IPA.