7 letters · 18 points in Scrabble
verb stain black to make it look like ebony
originEtymology tree English ebony Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō Ancient Greek -ῐ́ζω (-ĭ́zō)bor. Late Latin -izōder. Middle French -iserbor. Middle English -isen English -ize English ebonize From ebony + -ize.
Etymology from Wiktionary, CC BY-SA 3.0