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earthshaking

adjective

adjective Definition from WordNet 3.1, Princeton University. More about earthshaking at Wordnik → Where our words come from →

  1. Loud enough to shake the very earth.
  2. Sufficiently significant to affect the whole world.
    earthshaking proposals

Origin

From earth + shaking as a calque of Ancient Greek ἐννοσίγαιος (ennosígaios), ἐνοσίχθων (enosíkhthōn).

From Wiktionary, via Kaikki.org (CC BY-SA)