British spelling plural of fervor; multiple instances of intense, passionate emotion, enthusiasm, or conviction.
From Latin 'fervor', spelled with the British '-our' suffix (like 'colour' vs 'color'), then pluralized with '-s' to create the British plural form.
The British spelling 'fervours' is identical in pronunciation to the American 'fervors'—a beautiful example of how English spelling standards diverged between nations but pronunciation didn't always follow.
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