r 1 i 1 p 3 a 1 r 1 i 1 a 1 n 1
8 letters · 10 points in Scrabble
Meaning
adjective of or relating to or located on the banks of a river or stream
originBorrowed from Latin rīpārius (“relating to a riverbank”) + -an.
Etymology from Wiktionary, CC BY-SA 3.0