Etymology

spanner

span·ner
S1P3A1N1N1E1R1

Today it means: A hand tool for adjusting nuts and bolts. Full definition →

English span ← Middle English spanne ← Old English spann
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The story

  1. Proto-Indo-European*(s)pend-
  2. Proto-Germanic*spannō
  3. Old Englishspann
  4. Middle Englishspanne
  5. Englishspan
  6. English todayspanner

From span + -er.

Etymology from Wiktionary, CC BY-SA 4.0.