ver·ti·go 
(vûrtĭ-gō′)
(vûrtĭ-gō′)n. pl. ver·ti·goes or ver·ti·gos
1.
a. The sensation of dizziness.
b. An instance of such a sensation.
2. A confused, disoriented state of mind.
[Middle English, from Latin vertīgō, from vertere, to turn; see wer-2 in the Appendix of Indo-European roots.]