The word "Cretes" is spelled with a "ch" sound instead of a "k" sound due to its original Greek pronunciation. In IPA phonetic transcription, the word would be spelled as /kriːts/. This sound is represented by the Greek letter "chi" (Χ) which translates to the English letter "ch". Therefore, the spelling of "Cretes" reflects the original Greek pronunciation of the word and differs from the more common spelling of "Crete" with a "k" sound.
The word "Cretes" is derived from the Greek term Κρῆτες (Krêtes), which refers to the people inhabiting the Greek island of Crete. The etymology of the word is not entirely clear, but it is believed to have originated from the Ancient Greek verb κείρω (keírō), meaning "to cut", as associating the Cretans with the act of cutting or carving. This connection may stem from a historical association with skilled craftsmen or from the rugged and mountainous terrain of the island.