The word "kusumi" is not a well-known word with a clear definition. However, its spelling can be explained using the International Phonetic Alphabet (IPA). The IPA phonetic transcription of "kusumi" would be /ku:su:mi/. This represents the sounds of the word starting with a "k" sound, followed by a long "u" sound, then a "s" sound, and finally ending with a short "i" sound. The spelling of "kusumi" can be confusing without the aid of phonetics, emphasizing the importance of utilizing phonetic transcription in language learning and communication.