English word trigonometry comes from Ancient Greek τρίγωνον, Latin -metria (-metry.)
| Dictionary entry | Language | Definition |
|---|---|---|
| τρίγωνον | Ancient Greek (grc) | |
| -metria | Latin (lat) | -metry. |
| trigonometria | New Latin (la-new) | |
| trigonometry | English (eng) | (mathematics) The branch of mathematics that deals with the relationships between the sides and the angles of triangles and the calculations based on them, particularly the trigonometric functions. |