The spelling of the word "IMETSE" can be explained using the International Phonetic Alphabet (IPA). The first sound is "i", pronounced as /i:/ in IPA. Next is "m", pronounced as /m/. Following that is "e", pronounced as /ɛ/. Then comes "t", pronounced as /t/. Finally, we have "se", which is pronounced as /sɛ/. So altogether, "IMETSE" is pronounced as /i:mɛtse/. The IPA provides a useful tool for understanding the pronunciation of words and can be helpful for learning new vocabulary.