5 letters · 5 points in Scrabble
adjective of or relating to the kidneys
originEtymology tree Late Latin rēn Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Late Latin -ālis Late Latin rēnālislbor. English renal Learned borrowing from Late Latin renalis, from Latin rēnēs (“kidneys”).
Etymology from Wiktionary, CC BY-SA 3.0