shunt
UK[ʃʌnt]US[ʃʌnt]
v
To move or shift someone or something to a different place, often one that is less important or central.
v
To divert or redirect electrical current, fluid, or traffic along an alternative path.
n
An electrical conductor joining two points in a circuit to form a parallel path, diverting some of the current.
n
A passage or connection made to allow blood or other fluid to flow from one part of the body to another.
Etymology
The verb 'shunt' emerged in Middle English around the 13th century, primarily in railway terminology meaning 'to move (a train) from one track to another'. Its origins are obscure but it is thought to be related to or influenced by the Middle English verb 'shunen', meaning 'to shun or avoid', reflecting the idea of turning something aside. The core concept of diverting or pushing aside was later extended metaphorically to electricity in the 19th century and to medical procedures for diverting bodily fluids in the 20th century. This journey from a physical act of switching tracks to abstract applications in engineering and medicine illustrates a classic pattern of semantic specialization and technical adoption.
Analysis
The word 'shunt' is a simplex word of uncertain, likely imitative or dialectal origin. It is not productively formed from separable, meaningful morphemes in modern English.
Examples
The commuter train was shunted onto a siding to let the express pass.
Surgeons had to insert a shunt to relieve the pressure on his brain.
Excess voltage is safely diverted through a protective shunt resistor.