inanition

 
Pronunciation: /ˌɪnəˈnɪʃ(ə)n/

noun

[mass noun] formal
  • exhaustion caused by lack of nourishment: the members of the rear party died of inanition
  • lack of mental or spiritual vigour and enthusiasm: she was thinking that old age bred inanition

Origin:

late Middle English: from late Latin inanitio(n-), from Latin inanire 'make empty', from inanis 'empty, vain'