English
gyroscope
Gyroscope comes from French gyroscope, from Ancient Greek σκοπέω ‘to look, look at, behold’, and ultimately from Proto-Indo-European *speḱ-.
- Proto-Indo-Europeanc. 4500–2500 BCE*speḱ-‘to see, to look, to observe’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*spéḱyeti‘to be looking at, to keep looking at’reconstructed
- Proto-Hellenicc. 2200–1600 BCE*sképt͏̌omai‘to look at’reconstructed
- Ancient Greekc. 800–300 BCEσκέπτομαιsképtomai‘to look at, examine’
- Ancient Greek, derivedc. 800–300 BCEσκοπόςskopós‘watcher, lookout’
- Ancient Greek, derivedc. 800–300 BCEσκοπέωskopéō‘to look, look at, behold’
- Frenchc. 1600–presentgyroscope
- Englishearliest quotation 2022gyroscope
attested reconstructed ? uncertain or disputed deepest recorded ancestor
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*speḱ-‘to see, to look, to observe’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*spéḱyeti‘to be looking at, to keep looking at’reconstructed
- Proto-Hellenicc. 2200–1600 BCE*sképt͏̌omai‘to look at’reconstructed
- Ancient Greekc. 800–300 BCEσκέπτομαιsképtomai‘to look at, examine’
- Ancient Greek, derivedc. 800–300 BCEσκοπόςskopós‘watcher, lookout’
- Ancient Greek, derivedc. 800–300 BCEσκοπέωskopéō‘to look, look at, behold’
- Frenchc. 1600–presentgyroscope
- Englishearliest quotation 2022gyroscope
Earliest quotation: 2022, Network News: Hitachi on-train track monitoring trial expand: “Working with NR, ScotRail and Porterbrook, Perpetuum has fitted…”
Proto-Indo-European *speḱ- ‘to see, to look, to observe’
…
Ancient Greek σκέπτομαι ‘to look at, examine’
Ancient Greek σκοπός ‘watcher, lookout’
Late Latin scopus
Italian scopo ‘purpose’
English scope
The story
Borrowed from French gyroscope, coined in 1852 by physicist Leon Foucault, equivalent to gyro- + -scope, from Ancient Greek γῦρος (gûros, “circle”) and σκοπός (skopós, “watcher”).
Linked words
through Proto-Indo-European *speḱ- ‘to see, to look, to observe’
spy, suspicion, espionage, skeptic, inconspicuous, especial, espy, 114 more
through Proto-Indo-European *spéḱyeti ‘to be looking at, to keep looking at’
special, despite, specific, respect, species, perspective, aspect, inspector, spectrum, spite, inspection, spice, spectacular, expectation, speculation, specify, specimen, spectacle, inspect, speculative, spectator, speculate, conspicuous, retrospective, specter, retrospect, expectant, circumspect, specious, speculator, specular, 111 more
through Ancient Greek σκέπτομαι ‘to look at, examine’
through Ancient Greek σκοπός ‘watcher, lookout’
through Ancient Greek σκοπέω ‘to look, look at, behold’
microscope, kaleidoscope, endoscopic, spectroscopic, macroscopic, 84 more
Today it means
noun An apparatus composed of a wheel which spins inside of a frame (gimbal) and causes the balancing of the frame in any direction or position. In the form of a gyroscopic stabilizer, used to help keep aircraft and ships steady.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *speḱ- / gyroscope