patos

1. colloq. (of a room) floor
   Operi patos u kuhinji, sav je lepljiv. — Wash the kitchen floor, it's all sticky.
   Dete se igra na patosu. — The child is playing on the floor.
2. formal (in speech, writing) elevated, impassioned emotional tone; pomposity, bombast
   Govorio je sa previše patosa. — He spoke with too much pomposity.

In the sense of floor it is widespread in everyday speech; the neutral word is pod.