ar éicin

• ar écin, ar eicin, ar ecin, ar ecein, ár écin

ar (“on account of”) +‎ éicin (“necessity”, dat. sg.)

ar éicin

1. under compulsion, by force
   • c. 800, Würzburg Glosses on the Pauline Epistles, published in Thesaurus Palaeohibernicus (reprinted 1987, Dublin Institute for Advanced Studies), edited and with translations by Whitley Stokes and John Strachan, vol. I, pp. 499–712, Wb. 27^c9

     .i. air-nap ár écin da·gnet

     i.e. that it not be under compulsion that they do it

• Gregory Toner, Sharon Arbuthnot, Máire Ní Mhaonaigh, Marie-Luise Theuerkauf, Dagmar Wodtko, editors (2019), “éicen (3)”, in eDIL: Electronic Dictionary of the Irish Language