Winter-dún

According to the Old English Dictionary:

e;

winter-dún

f. A down or hill on which there is pasturage for sheep during the winter(?):--On manegum landum tilð bið redre ðonne on óðrum, ge yrðe tíma hrædra, ge mǽda rædran, ge winterdún (the sheep can be sent on to the hills earlier(?), cf. Sunt pascua ouium in meósdúne pertinentia ad Tangmere, Cod. Dip. Kmbl. iii. 373, 23) eác swá, Anglia ix. 259, 11. [Cf. Icel. vetr-beit winter-pasturage; vetr-hagi a winter-pasture.] winter-dun