Etymology

sunroof

S1U1N1R1O1O1F4

Today it means: A fixed or operable opening in a vehicle roof (car or truck) which allows fresh air and/or light to enter the passenger compartment. A sunroof may include a transparent or opaque panel and may be manually operated or power driven. Full definition →

English roof ← Middle English rof ← Old English hrōf
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The story

  1. Proto-Indo-European*sóh₂wl̥
  2. Proto-Germanic*sunnô
  3. Proto-Germanic*sunnǭ
  4. Proto-West Germanic*sunnā
  5. Old Englishsunne
  6. Middle Englishsonne
  7. Englishsun
  8. Proto-Germanic*hrōfą
  9. Proto-West Germanic*hrōf
  10. Old Englishhrōf
  11. Middle Englishrof
  12. Englishroof
  13. English todaysunroof

From sun + roof.

Etymology from Wiktionary, CC BY-SA 4.0.