The spelling of the word "CEOSSIT" is not recognized in any language. It is likely a combination of letters without any meaning or context. However, if we use IPA phonetic transcription to explain its spelling, we can break it down into individual sounds. "Ce" can represent the /s/ sound, "o" can represent the /ɑ/ or /oʊ/ sound, "ss" represents the /s/ sound, "i" represents the /ɪ/ sound, and "t" represents the /t/ sound. Together, it would be pronounced as /sɑsɪt/ or /soʊsɪt/.