The term 'Ancient Monastic' can be summarized by the crossword solution 'ESSENE, ' which is a reference to an ancient Jewish sect of ascetics and mystics. The Essenes were known for their strict adherence to religious laws, their communal lifestyle, and their commitment to spiritual purity. They lived in monasteries and practiced a form of monasticism that was similar to that of other ancient religions. They were also known for their writings, which included the Dead Sea Scrolls.