prosopopoeia
Concise Oxford English Dictionary © 2008 Oxford University Press:
prosopopoeia /ˌprɒsəpəˈpiːə/
▶noun a figure of speech in which an abstract thing is personified or an imagined or absent person is represented as speaking.
– origin C16: via L. from Gk prosōpopoiia, from prosōpon ‘person’ + poiein ‘to make’.
'prosopopoeia' also found in these Oxford entries:

