|Ultimately from the Latin ''efficientem'', meaning ''"working out, or accomplishing"''<ref>[http://www.etymonline.com/index.php?term=efficient Online Etymological Dictionary]</ref> | |Ultimately from the Latin ''efficientem'', meaning ''"working out, or accomplishing"''<ref>[http://www.etymonline.com/index.php?term=efficient Online Etymological Dictionary]</ref> |