Lewis Short
ăsărōtum (noun N) = ἀσάρωτον:
* A floor laid in mosaic, Stat. S. 1, 3, 36; cf.: asarotos oecos (= ἀσάρωτος οἶκος), Plin. 36, 25, 60, § 184; hence, asaroticus lapillus,a little mosaic stone,Sid. Carm. 23, 56.
Charlton T. Lewis, Charles Short, A Latin Dictionary