From en.wiktionary.org:
** English
*** Etymology
[en] First attested in 1614. From [en], from [la], from [la] + [la].
*** Pronunciation
- [en] - [en]
*** Noun
[en-noun]
1. [en] A slope or inclination of the earth, as the side of a hill, considered as _ascending_ , in opposition to _declivity_ , or _descending_ ; an upward slope; ascent . 2. * {{ quote-book | en | year=1797 |author=w:Ann Radcliffe|title=The Italian|passage=how gaily vineyards and olives alternately chequer the ACCLIVITIES}}
1. * {{ quote-book | en | year=1891 |author=w:Thomas Hardy|title=w:Tess of the d'Urbervilles|passage=she would walk [...] as far as to the point where the ACCLIVITY from the valley began its first steep ascent to the outer world.}}
1. * [8]
**** Translations
[slope or inclination considered as "ascending"]
- Finnish: [fi] , [fi] - Kikuyu: [ki] - Portuguese: [pt] - Swedish: [sv] , [sv] , [sv] - Tibetan: [bo] [trans-bottom]