Where does “gyrotriangle” come from?
gyrotriangle (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.
gyrotriangle (English): A triangle in gyrovector space
Definitions
- A triangle in gyrovector space
Ancestry of “gyrotriangle”, step by step
gyrotriangle 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 triangle
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | triangle | A polygon with three sides and three angles; A... |
| 2 | Middle English | triangle | — |
| 3 | Old French | triangle | — |
| 4 | Latin | triangulum | triangle; nominative neuter singular of... |
| 5 | Latin | triangulus | triangular, three-cornered, three-sided;... |
| 6 | Latin | Angulus | A city of the Vestini, situated on a hill near the Adriatic Sea, now the town of Città Sant'Angelo |
| 7 | Proto-Indo-European | h₂engulos | joint? |
| 8 | Proto-Indo-European | h₂eng- | curve, bend |