The word "Curtes" is a rare and archaic spelling of the word "courtesy". It is pronounced as /ˈkɜːrtɪsi/ in the IPA phonetic transcription. The spelling most commonly used today is "courtesy", but "curtes" was also used in Middle English. It is derived from the Old French word "cortoisie". While "curtes" may seem confusing or unfamiliar, it is interesting to see how language has evolved over time and how different spellings have fallen out of use.