English
strainproof
From strain + -proof.
Formed from strain + -proof
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
adj Resistant to physical strain.
Sources
Sources: Wiktionary, “strainproof”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / strainproof