Where does “Calymmian” come from?
Calymmian (English) comes from Ancient Greek κάλυμμα, from Ancient Greek καλύπτω, from Proto-Indo-European ḱel- — to cover; to incline.
Calymmian (English): of a geologic period within the Mesoproterozoic...
Definitions
- of a geologic period within the Mesoproterozoic...