declivity
de.cliv.i.ty \-*t-e-\ n [L declivitat-, declivitas, fr. declivis sloping down, fr. Xde- + clivus slope, hill; akin to L clinare 1: downward inclination 2: a descending slope
Webster's English Dictionaryde.cliv.i.ty \-*t-e-\ n [L declivitat-, declivitas, fr. declivis sloping down, fr. Xde- + clivus slope, hill; akin to L clinare 1: downward inclination 2: a descending slope