The spelling of the word "nicklin" may seem confusing at first, but it can be understood through IPA phonetic transcription. The initial "n" sound is followed by the "ih" sound, which is represented by the "i" in the word. The "k" sound is then heard, followed by the "l" sound. Finally, the "ih" sound is repeated and represented by the second "i". In IPA, the word is transcribed as /ˈnɪklɪn/, which helps to understand the spelling of this unusual word.