LAT

Lewis Short

(adjective) : sur-rūmus (subr-), a, um, rumis
* Under the udder, sucking, suckling: agni,Varr. 2, 1, 20; 2, 11, 5; cf. Fest. p. 270 Müll. et v. rumis.
Charlton T. Lewis, Charles Short, A Latin Dictionary
memory