The spelling of the word "Henia" can be explained through the use of the International Phonetic Alphabet (IPA) transcription. The word is pronounced as /hɛniə/, where the symbol /h/ represents the initial sound of "h", /ɛ/ represents the vowel sound of "e" as in "bet," /n/ represents the sound of "n," /i/ represents the vowel sound of "ee" in "bee", and /ə/ represents the unstressed vowel sound of "a" as in "sofa." Thus, the spelling "Henia" accurately represents the phonetic sounds of the word.