English
acclivity
Acclivity comes from Latin acclīvitās ‘slope, ascent’, and goes back to clīvus.
- Latinc. 75 BCE–200 CEclīvus1‘slope’
- Latinc. 75 BCE–200 CEacclīvis1‘ascending’
- Latinc. 75 BCE–200 CEacclīvitās1‘slope, ascent’
- Englishearliest quotation 1797acclivity1
attested reconstructed ? uncertain or disputed deepest recorded ancestor
- 1 Wiktionary, English acclivity
- Earliest quotation in Wiktionary’s entry: 1797, Ann Radcliffe: “how gaily vineyards and olives alternately chequer the acclivities”.
Earlier history uncertain. See Wiktionary.
Lineage
- Latinc. 75 BCE–200 CEclīvusWiktionary, English acclivity‘slope’
- Latinc. 75 BCE–200 CEacclīvisWiktionary, English acclivity‘ascending’
- Latinc. 75 BCE–200 CEacclīvitāsWiktionary, English acclivity‘slope, ascent’
- Englishearliest quotation 1797acclivityWiktionary, English acclivity. Earliest quotation in Wiktionary’s entry: 1797, Ann Radcliffe: “how gaily vineyards and olives alternately chequer the acclivities”
first attested First attested in 1614 (as stated in Wiktionary’s etymology)
The story
First attested in 1614.
Linked words
through Proto-Indo-European *ḱley- ‘to lean’
law, low, climate, lean, decline, ladder, lid, climax, inclination, eyelid, incline, clinician, cline, declension, declination, proclivity, 25 more
Today it means
noun 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.
Sources
Sources: Wiktionary, “acclivity”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / Latin clīvus / acclivity