Final answer:
The term prohairesis in the philosophy of Epictetus refers to the faculty of making decisions and choosing actions based on one's own values and beliefs.
Step-by-step explanation:
The Greek term prohairesis refers to the concept of the will or voluntary choice in the philosophy of Epictetus. It is the faculty of making decisions and choosing actions based on one's own values and beliefs. Epictetus emphasized the importance of cultivating a well-disciplined prohairesis to achieve inner freedom and live a virtuous life.