trans-montānus

i
I. adj. m., that is beyond the mountains, tramontane: subactis cis Apenninum omnibus tum transmontanos adortus, Liv. 39, 2, 9; Plin. 3, 3, 4, § 28; in sing., Inscr. Orell. 154.
Lewis & Short
A Latin Dictionary, 1879
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