perfervid
Concise Oxford English Dictionary © 2008 Oxford University Press:
perfervid /pəˈfəːvɪd/
▶adjective literary intense and impassioned.
– derivatives
perfervidly adverb.
perfervidly adverb.
– origin C19: from mod. L. perfervidus, from L. per- ‘utterly’ + fervidus ‘glowing hot, fiery’.
'perfervid' also found in these Oxford entries:

