din

Etymology 1

From Middle English dynne, dyne, dyn, from Old English dyne, from Proto-West Germanic *duni, from Proto-Germanic *duniz, from Proto-Indo-European *dʰún-is, from *dʰwen- (“to make a noise”). Cognate with Sanskrit धुनि (dhúni, “sounding”), ध्वनति (dhvánati, “to make a noise, to roar”), Old Norse dynr, Norwegian Nynorsk dynja.

noun

1. A loud noise; a cacophony or loud commotion.
   The patter of feet, and clatter of strap and swivel, seemed to swell into a bewildering din, but they were almost upon the fielato offices, where the carretera entered the town, before a rifle flashed. 1907, Harold Bindloss, chapter 7, in The Dust of Conflict
   So many faces Clive had never seen by daylight, and looking terrible, like cadavers jerked upright to welcome the newly dead. Invigorated by this jolt of misanthropy, he moved sleekly through the din, ignored his name when it was called, withdrew his elbow when it was plucked … 1998, Ian McEwan, Amsterdam, New York: Anchor, published 1999, Part 1, Chapter 1, pp. 9-10
   England certainly made a mockery of the claim that they might somehow be intimidated by the Glasgow din. Celtic Park was a loud, seething pit of bias. 18 November 2014, Daniel Taylor, “England and Wayne Rooney see off Scotland in their own back yard”, in The Guardian

Etymology 2

From Middle English dynnen, from Old English dynnan, from Proto-Germanic *dunjaną, from Proto-Indo-European *dʰwen- (“to make a noise”).

verb

1. (intransitive) To make a din, to resound.
   1820, William Wordsworth, “The Waggoner” Canto 2, in The Miscellaneous Poems of William Wordsworth, London: Longman, Hurst, Rees, Orme & Brown, Volume 2, p. 21, For, spite of rumbling of the wheels, A welcome greeting he can hear;— It is a fiddle in its glee Dinning from the CHERRY TREE!
   My confused senses received a dull roar of pounding feet and dinning voices as the herald of victory. 1920, Zane Grey, “The Rube’s Pennant”, in The Redheaded Outfield and Other Baseball Stories, New York: Grosset & Dunlap, page 68
   Should she speak of having been at the fire herself—or should she not? The question dinned in her brain so loudly that she could hardly hear what her companion was saying […] 1924, Edith Wharton, chapter 4, in Old New York: New Year’s Day (The ’Seventies), New York: D. Appleton & Co., pages 62–63
2. (intransitive) (of a place) To be filled with sound, to resound.
   The room was dinning with the strains of an invisible orchestra and the vocal uproar […] 1914, Rex Beach, chapter 3, in The Auction Block, New York: Harper & Bros., page 33
3. (transitive) To assail (a person, the ears) with loud noise.
   1716, Joseph Addison, The Free-Holder: or Political Essays, London: D. Midwinter & J. Tonson, No. 8, 16 January, 1716, pp. 45-46, She ought in such Cases to exert the Authority of the Curtain Lecture; and if she finds him of a rebellious Disposition, to tame him, as they do Birds of Prey, by dinning him in the Ears all Night long.
   Oh ye! whose ears are dinn’d with uproar rude, Or fed too much with cloying melody,— Sit ye near some old cavern’s mouth, and brood Until ye start, as if the sea-nymphs quired! 1817, John Keats, “On the Sea”, in Richard Monckton Milnes, editor, Life, Letters, and Literary Remains, of John Keats, volume 2, London: Edward Moxon, published 1848, page 291
   No alarm-clock dinned her to get up but the morning light woke her, pouring through the uncurtained glass. 1938, Graham Greene, chapter 1, in Brighton Rock, New York: Vintage, published 2002
4. (transitive) To repeat continuously, as though to the point of deafening or exhausting somebody.
   This has been often dinned in my Ears. 1724, The Hibernian Patriot: Being a Collection of the Drapier’s Letters to the People of Ireland concerning Mr. Wood’s Brass Half-Pence, London: Jonathan Swift, published 1730, Letter 2, p. 61
   His mother had dinned The Whole Duty of Man into him in early childhood. 2004, Roy Porter, Flesh in the Age of Reason, Penguin, page 183

Etymology 3

noun

1. (Islam) Alternative spelling of deen (“religion, faith, religiosity”).