e·ma·ci·ate 
(ĭ-māshē-āt′)
(ĭ-māshē-āt′)tr. & intr.v. e·ma·ci·at·ed, e·ma·ci·at·ing, e·ma·ci·ates
To make or become extremely thin, especially as a result of starvation.
[Latin ēmaciāre, ēmaciāt- : ē-, ex-, intensive pref.; see EX- + maciāre, to make thin; see māk- in the Appendix of Indo-European roots.]
e·ma′ci·ation n.