reagan-era

the compound "reagan-era" is a modern political and historical term formed by combining the surname of the 40th u.s. president with the word for a historical period. the surname reagan derives from the irish ó riagáin, meaning 'descendant of riagán', a personal name likely meaning 'little king'. the word era entered english in the mid-17th century from late latin aera, denoting a system of numbered years. when combined, the term functions attributively to describe the specific cultural, political, and economic characteristics associated with ronald reagan's presidency, illustrating a common english pattern of using a leader's name to define a historical epoch.

Structure: reagan (proper name) + era (period) reagan is a surname of irish origin (ó riagáin), used here as a proper noun attributively. era originates from late latin aera, meaning 'a number or epoch', and functions as a noun denoting a distinct period of time.