Where does “Lias” come from?
Lias (English) comes from Old French liois, from Old Irish liae, from Proto-Celtic liyants, from Proto-Indo-European leyH- — flow, flood; to bend; to flow.
Lias (English): A stratigraphic group from the lower Jurassic of Western Europe, consisting of thin layers of blue limestone
Definitions
- A stratigraphic group from the lower Jurassic of Western Europe, consisting of thin layers of blue limestone