impoverish
Concise Oxford English Dictionary © 2008 Oxford University Press:
impoverish/ɪmˈpɒvərɪʃ/
▶verb
- 1 make poor.
- 2 exhaust the strength or natural fertility of.
– derivatives
impoverishment noun.
impoverishment noun.
– origin ME: from OFr. empoveriss-, lengthened stem of empoverir, based on povre ‘poor’.
'impoverish' also found in these Oxford entries:

