devolve

[dih-volv]
verb (used with object), devolved, devolving.
1.
to transfer or delegate (a duty, responsibility, etc.) to or upon another; pass on.
2.
Obsolete. to cause to roll downward.
verb (used without object), devolved, devolving.
3.
to be transferred or passed on from one to another: The responsibility devolved on me.
4.
Archaic. to roll or flow downward.

Origin:
1375–1425; late Middle English devolven < Latin dēvolvere to roll down, equivalent to dē- de- + volvere to roll

devolvement, noun
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
devolve (dɪˈvɒlv)
 
vb (foll by on, upon, to, etc)
1.  to pass or cause to pass to a successor or substitute, as duties, power, etc
2.  (intr; foll by on or upon) law (of an estate, etc) to pass to another by operation of law, esp on intestacy or bankruptcy
3.  (intr; foll by on or upon) to depend (on): your argument devolves on how you interpret this clause
4.  archaic to roll down or cause to roll down
 
[C15: from Latin dēvolvere to roll down, fall into, from de- + volvere to roll]
 
de'volvement
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

devolve
c.1420, from L. devolvere "to roll down," from de- + volvere "to roll" (see vulva).
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
No wonder the climate change debate has devolved to this level.
Today, antigravity research is an all-but-extinct field of study that has
  devolved into little more than science-fiction fantasy.
My friendships remains solid, they have not devolved into something faceless
  and machine-driven.
And let the sacred obligations which have devolved on this generation, and on
  us, sink deep into our hearts.
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