quā-nam, adv.
I Where indeed , where (very rare): quanam in alium orbem transirent, Liv. 5, 34.—
II How then , how : delphini quanam audiant, mirum, Plin. 11, 37, 50, § 137.
quā-nam adv., by what way, where: quanam in alium orbem transirent, L. ...
An Elementary Latin Dictionary