17 letters · 27 points in Scrabble
originEtymology tree Ancient Greek βακτηρία (baktēría) Proto-Indo-European *-yósder. Ancient Greek -ῐος (-ĭos)? Ancient Greek -ιον (-ion) Ancient Greek βακτήριον (baktḗrion)bor. New Latin bactērium Ancient Greek -ο- (-o-)der. Latin -o-bor. English -o- English bacterio- English rhodopsin English bacteriorhodopsin From bacterio- + rhodopsin.
Etymology from Wiktionary, CC BY-SA 3.0