AMEN: O.E., from L.L. amen, from Ecclesiastical Gk. amen, from Hebrew amen "truth," used adverbially as an expression of agreement (e.g. Deut. xxvii.26, I Kings i.36; cf. Mod.Eng. verily, surely, absolutely in the same sense), from Sem. root a-m-n "to be trustworthy, confirm, support." Used in O.E. only at the end of Gospels, otherwise translated as Soðlic! or Swa hit ys, or Sy! As an expression of concurrence after prayers, it is recorded from early 13c.