Meaning

noun (physics) deformation of a physical body under the action of applied forces

noun difficulty that causes worry or emotional tension; ; - R.J.Samuelson

noun a succession of notes forming a distinctive sequence

originFrom Middle English streen, strene, streon, istreon (“race, stock, generation”), from Old English strēon, ġestrēon (“gain, wealth”), from Proto-Germanic *streuną (“heap, treasure, profit, gain”), from Proto-Indo-European *strew- (“to spread, strew”) (cognate with Old Saxon gistriuni, Old High German gistriuni (“gain, property, wealth, business”), Latin strues (“heap”)). Confused in Middle English…

Etymology from Wiktionary, CC BY-SA 3.0