The word "烟碱酸" is formed by combining three characters: "烟" meaning tobacco, referring to the source from which the compound is derived; "碱" meaning alkali, indicating the alkaline nature of nicotine as an alkaloid; and "酸" meaning acid, specifying the acidic form of the substance. Together, they create a compound term that literally translates to "tobacco-alkali-acid", corresponding to the scientific term nicotinic acid.