v. Obs. Forms (only in pa. t.): 13 ætarn, 3 attrann, 34 atarn. [OE. ætrinnan, ætirnan, f. AT- pref.2 + OE. rinnan or irnan; cf. OE. oðrinnan; cogn. with G. entrinnen: see RUN.]
intr. To run away, escape (with dat. = from). Also causal, for ATREN.
a. 1000. Boeth. Metr., xx. 138. [He] þære eorþan æfre ne oðrinneð.
c. 1000. Ælfric, Gen. xxxix. 13. Þa ætarn he ut.
c. 1200. Ormin, 1424. Þatt bucc attrann Ut inntill wilde wesste.
c. 1315. Shoreham, 149. Thes ilke screawe into helle God at arn.