Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
luxo, āvi, ātum, 1, v. a. [Gr. λοξός, slanting, akin to obliquus, limus, licinus], to put out of joint, to dislocate.
luxor, āri, v. dep. [luxus], to riot, revel, live luxuriously: luxantur a luxu dictum, id est luxuriantur, Paul. ex Fest. p. 120 Müll.; cf. Non. 55, 15: luxantur, lustrantur, Plaut. Ps. 4, 7, 5 Fleck.