otwin--prophetes.ai

† oˈtwin, adv. Obs.
  In 4 otwyn, o twinne.
  [See o prep.¹ 1 b.]
  Variant of atwin Obs., asunder.

a 1330 Otuel 1202 Er þei wolden o twinne gon. a 1340 Hampole Psalter xxv. 1 We are fere otwyn in soul.

Oxford English Dictionary