ˌasəˈrōd.əm noun
( plural asaro·ta -ōd.ə)
Etymology: Latin, from Greek asarōton, neuter of asarōtos paved in mosaic resembling an unswept floor, literally, unswept, from a- a- (II) + sarōtos, verbal of saroun to sweep, from saron broom; probably akin to Latin turba disturbance, tumult — more at turbid
: ancient Roman painted pavement