Word Origin & History
mid-14c., "lasciviousness, sinful self-indulgence," from O.Fr. luxurie, from L. luxuria "excess, luxury," from luxus "excess, extravagance, magnificence," probably a fig. use of luxus (adj.) "dislocated," which is related to luctari "wrestle, strain." Lost its pejorative taint 17c. Meaning "habit of
indulgence in what is choice or costly" is from 1630s; that of "sumptuous surroundings" is from 1704; that of "something enjoyable or comfortable beyond life's necessities" is from 1780. First used as an adjective 1930.