lucibruciunculum

lucibruciunculum [spelling and etym.dub.; perh. cf. AN luche, lucher, ‘sleekstone’, and suffixes -brum, -culum; ? infl. by lubricare] , sleekstone. ~um [gl.: †ylicston (l. slicston)] Garl. Dict. 134; lucibriciunculum PP; lucibriciniculum CathA (v. licinitorium); hoc lucibriunculum, lihe Gl. AN Glasg. f. 20va; lucibricunculum, A. a fforborystok WW.