The term 'Ascetic Ancient' can be summarized by the crossword solution 'ESSENE, ' which is a reference to an ancient Jewish sect that was known for its ascetic lifestyle. The Essenes were a religious group that lived in the Middle East during the Second Temple period, from the 2nd century BCE to the 1st century CE. They were known for their strict adherence to the laws of the Torah and their commitment to a life of simplicity and self-denial.