fervour

 
Pronunciation: /ˈfəːvə/
(US fervor)

noun

  • 1 [mass noun] intense and passionate feeling: he talked with all the fervour of a new convert
  • 2 archaic intense heat.

Origin:

Middle English: via Old French from Latin fervor, from fervere 'to boil'. Compare with fervent and fervid

Spelling help

Remember that fervour ends with -our (the spelling fervor is American).