Name leads with the English phrase 'the River-Mother'; attested form Mater Deva. Native theonym from Celtic *dēwā ('goddess, divine one'), the source of multiple river-names Deva. A genuine northern (Cantabrian) river/mother goddess balancing the Lusitanian water-deities. Known from epigraphy and hydronymy; no narrative.
Domains
rivers freshwater
mother goddess
Epithets
Mater Deva
Sources
Mater Deva cult site, Mount Cildá, Cantabria
Cantabrian religion scholarship (river-goddess and mother-goddess cults)
Cantabrian mythology overviews drawing on Olivares Pedreño and regional epigraphy