Etymology

staircase

stair·case
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Today it means: A flight of stairs; a stairway. Full definition →

English case ← Middle English case ← Old Northern French casse
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The story

  1. Proto-Indo-European*steygʰ-
  2. Proto-Indo-European*stéygʰeti
  3. Proto-Germanic*stīganą
  4. Proto-Germanic*staigijaną
  5. Proto-Germanic*staigraz
  6. Proto-Germanic*staigriz
  7. Proto-West Germanic*staigri
  8. Old Englishstǣġer
  9. Middle Englishsteire
  10. Englishstair
  11. Proto-Indo-European*kap-
  12. Proto-Indo-European*kapyéti
  13. Proto-Italic*kapjō
  14. Proto-Italic*kapsos
  15. Latincapsa
  16. Old Northern Frenchcasse
  17. Middle Englishcase
  18. Englishcase
  19. English todaystaircase

From stair + case.

Etymology from Wiktionary, CC BY-SA 4.0.