circuit
UK[ˈsɜːkɪt]US[ˈsɜːrkɪt]
n
A roughly circular line, route, or movement that starts and finishes at the same place.
n
A complete and closed path around which an electric current can flow.
n
A series of sports events or tournaments in which the same competitors take part.
n
A regular journey made by a judge or other official to hear cases in different courts within a particular area.
Morpheme Breakdown
circu
it
circu
around
it
to go
Etymology
The word circuit originates from the Latin verb circuire, meaning "to go around," which is a compound of circum (around) and ire (to go). This literal sense of a circular journey was adopted into Middle English via Old French, initially referring to the act of moving around a territory. Over time, the meaning expanded metaphorically to describe any closed loop or path, whether physical, like a racetrack, or abstract, like the path of an electrical current. The legal and sporting senses of the word directly preserve the original concept of a regular, circular tour.
Analysis
Structure: circu (around) + it (to go)
circu is from Latin circum (around, about). it is from Latin ire (to go), specifically its past participle itus.
Examples
The race car completed the circuit in under two minutes.
A short circuit caused the power outage.
She is a well-known comedian on the international comedy circuit.