The term PART OF ERA can be broken down into four crossword solutions: RUN (3 letters), EQUAL (5 letters), EARNED (6 letters), and RIGHTS (6 letters). RUN is a verb that means to move quickly on foot, while EQUAL is an adjective that means the same in quality, measure, or value. EARNED is an adjective that means deserved or acquired through effort, and RIGHTS is a noun that refers to something to which one has a just claim. Together, these words suggest that a part of an era is something that is deserved or acquired through effort, and to which one has a just claim.