instrument
UK[ˈɪnstrəmənt]US[ˈɪnstrəmənt]
n
A tool or device used for a particular task, especially for scientific, medical, or technical work.
n
A device for producing musical sounds.
n
A means or agent used to achieve something.
n
A formal legal document.
Morpheme Breakdown
in
stru
ment
in
in, into, on
stru
to build, pile up, arrange
ment
Etymology
The word 'instrument' originates from the Latin instrumentum, meaning 'tool, equipment, or means'. This noun itself is derived from the verb instruere, which combines the prefix in- ('on, upon') with struere ('to build, pile up'). The literal sense was 'to build into or upon, to construct, to equip'. Over time, instrumentum evolved from its concrete meaning of a physical tool for building or equipping to encompass any device or means used to accomplish a task. This semantic broadening allowed it to apply to musical devices, legal documents, and abstract agents, all retaining the core concept of a constructed means to an end.
Analysis
Structure: in + stru + ment
- in: Latin origin, meaning 'in, into, on'. In this word, it functions as an intensifying prefix.
- stru: A direct substring from the Latin root struere, meaning 'to build, pile up, arrange'. It functions as the core lexical root.
- ment: Latin suffix -mentum, indicating the means, instrument, or result of an action. It functions as a noun-forming suffix.
Examples
The microscope is a delicate optical instrument.
She is proficient at playing several string instruments.
The law should be an instrument for social justice, not oppression.