Ardŭenna

ae, f.

v. arduus; cf. Welsh ardh, to raise up

I. the forest-covered mountains in Gaul, now Ardennes, Caes. B. G. 5, 3; 6, 29 Herz.; Tac. A. 3, 42; cf. Mann. Gall. p. 203.
Lewis & Short
A Latin Dictionary, 1879
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