English
strainmeter
From strain + -meter.
A compound of strain + -meter
Proto-Indo-European *strew- ‘to spread, strew’
Proto-Germanic *streuną ‘heap, treasure, profit, gain’
Proto-West Germanic *streun
Old English strēon ‘gain, acquisition, treasure’
Middle English streen
English strain
Today it means
noun A scientific instrument used by geophysicists to measure the deformation of the Earth.
Language periods are conventional ranges, not dates for this word.
Etymograph / strainmeter