preapennine

As a proper noun apennines

is a mountain range stretching 1,200 km from the north to the south of italy along its east coast, traversing the entire apennine peninsula, and forming the backbone of the country.

As an adjective preapennine is

of or pertaining to the foothills of the apennines.

As a noun foothills

is plural of foothill.

As an adjective preapennine is

of or pertaining to the foothills of the Apennines.