Laur·a·sia 
(lô-rāzhə)
(lô-rāzhə)n.
The supercontinent of the Northern Hemisphere that, according to the theory of plate tectonics, broke up into North America, Greenland, Europe, and Asia except for the Indian subcontinent.
[New Latin Laur(entia), geologic precursor of North America (after the Saint Lawrence River) + (Eur)asia.]
- Indo-European root: spē-
- Indo-European root: sreu-
- Indo-European root: (s)teg-
- Indo-European root: stegh-
- Indo-European root: steig-
- Indo-European root: steigh-
- Indo-European root: stel-
- Indo-European root: (s)tenə-
- 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-