Etymology

ouster

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Today it means: A putting out of possession; dispossession; ejection. Full definition →

Old French ouster ← Anglo-Norman oustre
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ouster · noun, verb1

  1. Anglo-Norman · derived fromoustre“to oust”
  2. Old French · derived fromouster
  3. English todayouster

From Old French ouster, oustre, a nominalization of Anglo-Norman oustre (“to oust”).

ouster · noun2

From oust + -er.

Etymology from Wiktionary, CC BY-SA 4.0.