10 letters · 21 points in Scrabble
noun any of several human or animal diseases characterized by dark urine resulting from rapid breakdown of red blood cells
originEtymology tree English black Proto-Indo-European *wed- Proto-Indo-European *-r̥ Proto-Indo-European *wódr̥ Proto-Germanic *watōr Proto-West Germanic *watar Old English wæter Middle English water English water English blackwater From black + water.
Etymology from Wiktionary, CC BY-SA 3.0