The name Etta is a German baby name. In German the meaning of the name Etta is: Little one. American Meaning: The name Etta is an American baby name. In American the meaning of the name Etta is: Little one.Teutonic Meaning: The name Etta is a Teutonic baby name. In Teutonic the meaning of the name Etta is: Ruler of the home. English Meaning: The name Etta is an English baby name.rench Meaning: The name Etta is a French baby name. In French the meaning of the name Etta is: Keeper of the hearth. Rules her household. From Henriette, the French feminine form of Henry.