apace

Etymology

From Middle English apās (“step by step, slowly; quickly, rapidly; at once, promptly”), from Old French à pas (“at a quick pace”).

adv

1. Quickly, rapidly, with speed.
   Construction of the new offices is proceeding apace.
   (To one, it is ten years of years. ... Yet now, and in this place, Surely she leaned o'er me—her hair Fell all about my face. ... Nothing: the autumn fall of leaves. The whole year sets apace.) 1850, Dante Gabriel Rossetti, The Blessed Damozel, The Germ; reprinted in Poems [Collection of British and American Authors; 1380], copyright edition, Leipzig: Bernhard Tauchnitz, 1873, OCLC 933409239, page 2, lines 19–24
   Twilight was coming on apace and a star or two was already out, but the remains of the sunset could still be seen in the west. 1954, C. S. Lewis, chapter 1, in The Horse and His Boy, Collins, published 1998
   Despite efforts to prevent it, officials say, the radicalisation of young Muslims living in Europe proceeds apace. August 20, 2017, “The Observer view on the attacks in Spain”, in The Observer