ETYMOLOGY
from Latin pluviatilis consisting of rain,
from pluvia (rain) + -atilis (-atile)
EXAMPLE
“…Take Hogges suet lb 6. Terebinthine which hath binne washed in pluviatile water & mixe the Quicksilver therwith…”
From: The Boock of Physicke
By Oswald Gaebelkhover
Translation by A.M., 1599
Lexicophilia 