The spelling of 'Waydell' can be explained through its International Phonetic Alphabet (IPA) phonetic transcription: /weɪdɛl/. This means that the 'way' sound is represented by the combination of the letters 'w' and 'a', while the 'dell' sound is spelled using only the letters 'd' and 'e'. This particular spelling is not a common one and may be specific to certain names or products. It is important to note that IPA transcription provides a reliable way to communicate the pronunciation of words across languages and dialects.