Greek

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Etymology

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From Ancient Greek ἄγρῠπνος (ágrupnos, watchful, sleepless).

Adjective

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άγρυπνος (ágrypnosm (feminine άγρυπνη, neuter άγρυπνο)

  1. watchful, awake
  2. sleepless

Declension

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see: αγρυπνώ (agrypnó, keep watch, stay awake)