Etymology

throughout

T1H4R1O1U1G2H4O1U1T1

Today it means: In every part of; all through. Full definition →

Old English þurh
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The story

  1. Old English · inherited fromþurh
  2. English todaythroughout

From Old English þurh ūt, equivalent to through + out. Compare German durchaus (“all the way, fully, absolutely”).

Words from the same roots

Old Englishþurh all →

throughthorough

Etymology from Wiktionary, CC BY-SA 4.0.