The story
From greater + Adria. From being first discovered in researching the geologic region called Adria.
Etymology from Wiktionary, CC BY-SA 4.0.
Greater Adria
Today it means: A Greenland-sized paleomicrocontinent in the Tethys Ocean that rifted from the north of Africa portion of the supercontinent of Gondwana and accreted to the south of Europe portion of the supercontinent of Laurasia, and thence subducted. Full definition →