The spelling of the word "Sich Div" can be explained through the use of IPA phonetic transcription. The word is pronounced as /sɪtʃ dɪv/, with the first syllable being pronounced as "sitch" with a short "i" sound, and the second syllable being pronounced as "div" with a short "i" sound as well. The combination of the "s" and "ch" sounds in the first syllable create the "sitch" sound, while the "d" and "v" sounds in the second syllable create the "div" sound.