Etymograph > Indo-European > Old English > Dictionary

geostran-dæg

the previous or next day

Source: Kroonen 2013:176
originates from: PGmc *gestra- 'the previous or next day' (gestra- > gestr > ġestr > ġiestr > ġiester) through pgmc-to-oe
(source: Kroonen 2013:176)
Variations
giestran-dæg 'the previous or next day'