descent
de.scent \di-'sent\ n [ME, fr. MF descente, fr. descendre] 1: the act or
process of descending from a higher to a lower level or state 2: a
downward step (as in station or value) : DECLINE 3a: derivation from an
ancestor : BIRTH, LINEAGE 3b: transmission or devolution of an estate by
inheritance usu. in the desc ending line 3c: the fact or process of
originating from an ancestral stock 3d: the shaping or development in
nature and character by transmission from a source : DERIVATION 4a: an
inclination downward : SLOPE 4b: a descending way (as a downgrade or
stairway) obs 4c: the lowest part 5a: a sudden disconcerting appearance
5b: a hostile raid or predatory assault 6: a step downward in a scale of
gradation; specif : one generation in an ancestral line or genealogical
scale