strident (adj.) Look up strident at Dictionary.com
1650s, from French strident (16c.) and directly from Latin stridentem (nominative stridens), present participle of stridere "utter an inarticulate sound, grate, screech," from PIE *(s)trei-, possibly of imitative origin (cognates: Greek trismos "a grinding, scream"). Related: Stridently; stridence; stridency.