vertigo

noun

Etymology: Etymology tree Proto-Indo-European *wert- Proto-Indo-European *wértetor Proto-Italic *wertō Latin vertō Latin -īgō Latin vertīgōbor. English vertigo Borrowed from Latin vertīgō.

1. A sensation of whirling and loss of balance, caused by looking down from a great height or by disease affecting the inner ear.
2. A disordered or imbalanced state of mind or things analogous to physical vertigo; mental giddiness or dizziness.
3. The act of whirling round and round; rapid rotation.
4. A snail of the genus Vertigo.