declivity

[dih-kliv-i-tee]

Origin of declivity

1605–15; < L of dēclīvitās a slope, hill, equivalent to dēclīvi(s) sloping downward (dē- de- + clīv(us) slope, hill + -is adj. suffix) + -tās -ty2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for declivities

declination, descent, inclination

Examples from the Web for declivities

Historical Examples of declivities


British Dictionary definitions for declivities

declivity

noun plural -ties
  1. a downward slope, esp of the groundCompare acclivity
Derived Formsdeclivitous, adjective

Word Origin for declivity

C17: from Latin dēclīvitās, from de- + clīvus a slope, hill
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for declivities

declivity

n.

1610s, from French déclivité, from Latin declivitatem (nominative declivitas) "a slope, declivity," from declivis "a sloping downward," from de- "down" + clivus "a slope," from PIE *klei-wo-, suffixed form of *klei "to lean" (see lean (v.)).

Online Etymology Dictionary, © 2010 Douglas Harper