Meaning

noun any very large body of (salt) water

adjective slightly salty (especially from containing a mixture of seawater and fresh water)

originEtymology tree English brine Proto-Indo-European *-kos Proto-Germanic *-gaz Proto-West Germanic *-g Old English -iġ Middle English -y English -y English briny From brine + -y.

Etymology from Wiktionary, CC BY-SA 3.0