Etymology

tonight

T1O1N1I1G2H4T1

Today it means: During the night following the current day; during the evening of today. Full definition →

Middle English tonyght ← Old English tō niht
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The story

  1. Old English · inherited fromtō niht
  2. Middle English · inherited fromtonyght
  3. English todaytonight

From Middle English tonyght, to niȝt, from Old English tō niht.

Etymology from Wiktionary, CC BY-SA 4.0.