vor·tex 
(vôrtĕks′)
(vôrtĕks′)n. pl. vor·tex·es or vor·ti·ces (-tĭ-sēz′)
1. A whirling mass of water or air that sucks everything near it toward its center.
2. A place or situation regarded as drawing into its center all that surrounds it, and hence being inescapable or destructive: a vortex of political infighting; a vortex of despair.
[Latin vortex, vortic-, variant of vertex, from vertere, to turn; see wer-2 in the Appendix of Indo-European roots.]
vortex- Indo-European root: ster-
- Indo-European root: ster-
- Indo-European root: ster-
- Indo-European root: streb(h)-
- Indo-European root: streig-
- Indo-European root: stā-
- Indo-European root: stāi-
- Indo-European root: s(w)e-
- Indo-European root: sweid-
- Indo-European root: s(w)eks
- Indo-European root: swel-
- Indo-European root: swen-
- Indo-European root: swep-
- Indo-European root: swer-
- Indo-European root: swesor-
- Indo-European root: swo-
- Indo-European root: swād-
- Indo-European root: syū-
- Indo-European root: sā-
- Indo-European root: sāg-
- Indo-European root: sāwel-
- Indo-European root: sē-
- Indo-European root: sēmi-
- Indo-European root: sū-
- Indo-European root: tag-