animosity
Concise Oxford English Dictionary © 2008 Oxford University Press:
animosity /ˌanɪˈmɒsɪti/
▶noun (pl. animosities) strong hostility.
– origin ME (in the sense ‘spirit, courage’): from OFr. animosite or late L. animositas, from animosus ‘spirited’, from L. animus ‘spirit, mind’.
'animosity' also found in these Oxford entries:

