10 letters · 13 points in Scrabble
noun the act of killing someone painlessly (especially someone suffering from an incurable illness)
originFirst attested in 1606, from Ancient Greek εὐθανασία (euthanasía), from εὐ- (eu-, “good”) + θάνατος (thánatos, “death”)
Etymology from Wiktionary, CC BY-SA 3.0