adjective/ply.vjal/
pluvial, (relational) rain-
“eaux pluviales” — rainwater
Synonyms: ombrique, ombro-, pluvaire, pluvio-
Related: forêt pluviale, lac pluvial
Inherited from Middle French pluvial. In the sense of “rain, rainy” since the late 15th century. The liturgical use is older and stems from Old French pluvial (12th c.), a borrowing from Latin pluviālis.