Relating to or characteristic of the Apennine Mountains in Italy, or resembling the qualities of that mountain range.
From the Apennine Mountains (Italian 'Appennini'), which run through Italy. The mountain range name likely derives from Celtic or pre-Indo-European roots, with the Latin form being 'Apenninus.'
The Apennines are so prominent in Italian geography and history that their name became an adjective—they literally split Italy down the middle and have shaped everything from Roman military strategy to where modern cities could be built.
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