borescope en · NOUN
Etymology
Etymology tree Proto-Indo-European *bʰerH-der. Proto-Germanic *burōną Proto-West Germanic *borōn Old English borian Middle English boren English bore Proto-Indo-European *speḱ- Proto-Indo-European *-yeti Proto-Indo-European *spéḱyeti Proto-Hellenic *sképt͏̌omai Ancient Greek σκέπτομαι (sképtomai) Proto-Indo-European *-os Proto-Indo-European *-ós Proto-Indo-European *-ós Proto-Hellenic *-ós ▲ Ancient Greek -ος (-os)influ. Ancient Greek -ός (-ós) Ancient Greek σκοπός (skopós) Proto-Indo-European *-eti Proto-Indo-European *-eyéti Proto-Indo-European *-esyéti Proto-Indo-European *-éh₁ti Proto-Indo-European *-yeti Proto-Indo-European *-éh₁yeti Proto-Indo-European *-yeti Proto-Indo-European *-éyeti Ancient Greek -έω (-éō) Ancient Greek σκοπέω (skopéō)der. English -scope English borescope From bore + -scope.
Meanings
- 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.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| borescopes | Number=Plur | lexicographic | |
| boroscope | alternative | lexicographic |