emaciate

verbs

cause to grow thin or weak
"The treatment emaciated him"
emaciate, macerate, waste
is derived from
emaciation
grow weak and thin or waste away physically
"She emaciated during the chemotherapy"
emaciate
is derived from
emaciation
is a type of (narrower)
undergo a transformation or a change of position or action
"We turned from Socialism to Capitalism"; "The people turned against the President when he stole the election"
change state, turn