Án-wintre

According to the Old English Dictionary:

ǽ-wintre;

án-wintre

adj. [án one, winter a winter] Of one year, one year old, continuing for a year; hornus = horinus = GREEK from GREEK, hornotĭnus, anniculus:--Ðæt lamb sceal beón ánwintre erit agnus anniculus, Ex. 12, 5. an-wintre