Etymology

shellproof

S1H4E1L1L1P3R1O1O1F4

Today it means: Resistant to shelling. Full definition →

English shell ← Middle English schelle ← Old English sċiell
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The story

  1. Proto-Indo-European*(s)kelH-
  2. Proto-Indo-European*skol-yeh₂
  3. Proto-Germanic*skaljō
  4. Proto-West Germanic*skallju
  5. Old Englishsċiell
  6. Middle Englishschelle
  7. Englishshell
  8. English todayshellproof

From shell + -proof.

Etymology from Wiktionary, CC BY-SA 4.0.