Where does “gyrotrigonometry” come from?
gyrotrigonometry (English) comes from English gyro, from English gyroscope, from French gyroscope, from Ancient Greek σκοπός, from Ancient Greek σκέπτομαι, from Proto-Hellenic sképťomai, from Proto-Indo-European spéḱyeti, from Proto-Indo-European speḱ- — to see, to look, to observe.
gyrotrigonometry (English): The use of gyroconcepts to study hyperbolic...
Definitions
- The use of gyroconcepts to study hyperbolic...
Ancestry of “gyrotrigonometry”, step by step
gyrotrigonometry traces back through two separate lines of ancestry.
via English gyro
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | gyro | A gyroscope; A gyrocompass; An autogyro |
| 2 | English | gyroscope | an apparatus composed of a wheel which spins... |
| 3 | French | gyroscope | gyroscope |
| 4 | Ancient Greek | σκοπός | watcher, lookout; protector, guardian; spy, scout |
| 5 | Ancient Greek | σκέπτομαι | I look at, examine; I examine, consider, think |
| 6 | Proto-Hellenic | sképťomai | to look at |
| 7 | Proto-Indo-European | spéḱyeti | to be looking at, to keep looking at |
| 8 | Proto-Indo-European | speḱ- | to see, to look, to observe |
via English trigonometry
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | trigonometry | The branch of mathematics that deals with the... |
| 2 | Latin | trigonometria | trigonometry |
| 3 | Ancient Greek | τρίγωνον | triangle; one of the Athenian lawcourts; the... |
| 4 | Ancient Greek | τρίγωνος | three-cornered; three-sided |
| 5 | Ancient Greek | γωνία | corner, angle; joiner's square; cornerstone |
| 6 | Ancient Greek | γόνυ | knee |
| 7 | Proto-Hellenic | gónu | knee |
| 8 | Proto-Indo-European | ǵónu | knee |