merit-based

The compound adjective "merit-based" is a modern formation that logically combines two established concepts. The first element, "merit," carries its Latin heritage of desert and earned value, a concept central to Roman ideas of reward and social standing. The second element, "based," utilizes the foundational sense of the Greek-derived word "base" to indicate the principle upon which a system is constructed. Thus, the term's evolution is not one of ancient semantic drift but of deliberate, transparent assembly in modern English to describe systems—particularly in education, employment, and awards—where judgment is explicitly "founded on" the "deserved qualities" of an individual, consciously opposing systems founded on privilege or bias.

Structure: merit (deserving) + based (founded on) - merit: From Latin meritum (a service, kindness, benefit, worth), from meritus, past participle of merēre (to deserve, earn). Functions as a noun root meaning "deserved quality or reward". - based: From the past participle of the English verb base (to establish on a foundation), itself from Old French baser and ultimately Latin basis (foundation, pedestal). Functions as a participial adjective suffix meaning "founded on" or "having as its basis".