breakthrough
UK[ˈbreɪkθruː]US[ˈbreɪkθruː]
n
A sudden, important discovery or development that solves a major problem or allows progress after a period of no progress.
n
An act of making a way through an enemy's defenses or a similar obstacle.
Morpheme Breakdown
break
through
break
to separate
through
passing across
Etymology
The compound noun "breakthrough" is a transparent combination of two native English elements. The verb "break," with Proto-Germanic origins meaning to shatter or burst, provides the sense of a decisive, forceful action. Coupled with "through," which denotes passage from one side of a barrier to another, the term literally means "a breaking and getting through." It first emerged in a military context in the 19th century to describe penetrating enemy lines. This vivid physical imagery was later extended metaphorically to scientific, technological, and personal contexts, signifying any significant advance that overcomes a previous limitation or stalemate.
Analysis
Structure: break (to separate) + through (passing across)
- break: From Old English brecan, meaning "to separate into parts violently, shatter." It functions as the core verb indicating a forceful action of separation or rupture.
- through: From Old English þurh, meaning "from one side to the other, by way of." It functions as a preposition/adverb indicating passage across a barrier or boundary.
Examples
The research team announced a major breakthrough in the development of a new vaccine.
The army's breakthrough on the eastern front changed the course of the battle.
After months of deadlock, the negotiators finally achieved a diplomatic breakthrough.