Etymology
From French livre, Italian and Spanish libro, from Latin liber “book”. From Latin cubiculum (“bedroom”), from cubō (“lie down”)
1938, Chicago Dental Society, Bulletin (volume 19, p 28) ‘But to let you in on a little secret, Todd Dewel is a librocubicularist’.
1952, Hospital Book Guide (volumes 13-14, p 85) We can enjoy our journeys much more if we are librocubicularists and know the joys of reading in bed.