The puritans derived their name from their search for purifying the England Church in the 16th and 17th centuries.
Explanation:
The term Puritan refers to English Protestants in the 16th and 17th centuries who were committed to the purification of the Church of England from Roman Catholic practices.
Furthermore, Puritans were strongly dissatisfied with the Church of England's toleration about certain practices still related to the Roman Catholic Church. Claiming that the Church of England had not been fully reformed during the English Reformation, arguing as well that the Church of England needed to become even more Protestant.
Bearing in mind the described above, it could be said that the puritans derived their name from their search for purifying the England Church in the 16th and 17th centuries.