The spelling of the word "galdi" can be explained using the International Phonetic Alphabet (IPA) transcription. The first sound is the 'g' sound, represented as /ɡ/, followed by an 'a' sound, represented as /æ/. The 'l' sound is represented as /l/, and the final sound is the 'd' sound, represented as /d/. Together, the IPA transcription of "galdi" is /ɡældi/. This transcription helps to accurately represent the pronunciation of the word and aids in correct spelling for those familiar with the IPA.