haggister

The story

1. Proto-West Germanic · inherited from*agustrā
2. Old English · inherited from*agustre
3. Middle English · inherited from*haguster
4. English todayhaggister

From Middle English *haguster, aguster, from Old English *agustre, from Proto-West Germanic *agustrā, *agistrā, variant of *agastrijā (“magpie, woodpecker”); related to West Frisian ekster (“magpie”), Dutch ekster (“magpie”), German Low German Heister, Häster (“magpie”), Swabian Ägerst (“magpie”). Compare also German Elster (“magpie”).