The spelling of the word "courson" can be explained using the IPA phonetic transcription. The first syllable, "cour," is pronounced as /kɔːr/, with the "ou" combination being pronounced as a long "o" sound. The second syllable, "son," is pronounced as /sʌn/, with a short "u" sound. Together, the word is pronounced as /kɔːrsʌn/. Despite its uncommon spelling, "courson" is a valid word in the English language, defined as a small piece of land or estate.