Flór-stán

According to the Old English Dictionary:

es;

flór-stán

m. A floor-stone, stone used for pavement; tessĕra păvimento sternendo designāta :-- Lytle feðerscitte flórstánas little four-cornered floor-stones; tessellæ, Ælfc. Gl. 61; Som. 68, 67; Wrt. Voc. 39, 50. flor-stan