Etymology

borescope

B3O1R1E1S1C3O1P3E1

Today it means: An optical instrument used for seeing inside tight spaces, consisting of a rigid or flexible tube with an optical relay inside so that the view through a lens or window at one end of the tube may be seen from a lens or eyepiece in the opposite end of the tube. Full definition →

Ancient Greek σκοπέω (skopéō) ← Proto-Hellenic *sképt͏̌omai ← Proto-Indo-European *spéḱyeti
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The story

  1. Proto-Indo-European*bʰerH-
  2. Proto-Germanic*burōną
  3. Proto-West Germanic*borōn
  4. Old Englishborian
  5. Middle Englishboren
  6. Englishbore
  7. Proto-Indo-European*speḱ-
  8. Proto-Indo-European*spéḱyeti
  9. Proto-Hellenic*sképt͏̌omai
  10. Ancient Greekσκέπτομαι (sképtomai)
  11. Ancient Greekσκοπός (skopós)
  12. Ancient Greekσκοπέω (skopéō)
  13. English todayborescope

From bore + -scope.

Etymology from Wiktionary, CC BY-SA 4.0.