prō-nŭrus, ūs, f.,
a grandson's wife , Dig. 38, 10, 4; Paul. ex Fest. p. 224 Müll.: pronurus et magni Laomedontis ero, i. e. the wife of Paris , who was grandson of Laomedon , Ov. H. 17, 206.
prō-nurus ūs, f a grandson's wife, O. ...
An Elementary Latin Dictionary