Etymology

asleep

A1S1L1E1E1P3

Today it means: In a state of sleep; also, broadly, resting. Full definition →

Middle English aslepe
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The story

  1. Middle English · inherited fromaslepe
  2. English todayasleep

From Middle English aslepe, equivalent to a- (“in, on”) + sleep.

Etymology from Wiktionary, CC BY-SA 4.0.