Lewis Short
indūsĭum (noun N) : (in Varr. L. L. 5, § 131, written intusium), , induo
* A woman's under - garment, Varr. l. l.: indusium est vestimentum, quod corpori intra plurimas vestes adhaeret, quasi intusium,Non. 539, 32; cf. indusium χιτωνίσκος, Gloss. Philox.
Charlton T. Lewis, Charles Short, A Latin Dictionary