Etymology

impressionless

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Today it means: unimpressed or unaffected Full definition →

Proto-Germanic *lausaz ← Proto-Indo-European *lewHs- ← English impression
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The story

  1. Proto-Indo-European*h₁én
  2. Proto-Italic*en
  3. Proto-Italic*en-
  4. Latinin-
  5. Proto-Indo-European*per-?
  6. Proto-Indo-European*pres-
  7. Proto-Italic*pres-
  8. Latinpremō
  9. Latinimprimō
  10. Latinimpressiō
  11. Old Frenchimpression
  12. Englishimpression
  13. Proto-Indo-European*lewh₁-
  14. Proto-Indo-European*lewHs-
  15. Proto-Germanic*leusaną
  16. Proto-Germanic*lausaz
  17. English todayimpressionless

From impression + -less.

Etymology from Wiktionary, CC BY-SA 4.0.