strain
Meaning
to injure a muscle or part of your body by making it work too hard
to make a great effort to do something, using all your mental or physical strength
a force that pulls, stretches, or puts pressure on something, often causing damage
a state of worry and tension caused by a difficult situation
a particular type of plant, animal, or disease, or a variety of a substance
Usage
be careful not to strain your back when lifting that heavy box.
she strained to hear the faint whisper in the noisy room.
the constant strain of his job eventually led to health problems.
Etymology
the english word 'strain' originates from the old french 'estreindre', meaning to press tightly or bind, which itself came from the latin 'stringere', meaning to draw tight, bind, or compress. this latin verb is rooted in the proto-indo-european base strenk-, conveying notions of tightness or constriction. the semantic journey from the physical act of tightening or stretching to the modern abstract meanings—encompassing physical injury, mental tension, and biological variation—illustrates a classic path of metaphorical extension, where a concrete action gives rise to a range of related conceptual and technical applications.
Analysis
the word is a simplex unit derived from a single latin root. it is not productively formed from multiple distinct morphemes in modern english.