fallsfor:
“ 1640–50; L ferōc-, s. of ferōx savage, fierce (fer(us) wild (see feral1, fierce) + -ōx having such an appearance; akin to -opsis) + -ious
”

fallsfor:

1640–50; L ferōc-, s. of ferōx savage, fierce (fer(us) wild (see feral1, fierce) + -ōx having such an appearance; akin to -opsis) + -ious