I've never considered it the french spelling. It's the british english spelling:
https://trends.google.com/trends/explore?date=today%205-y&ge...US tends to drop the u's in a lot of words. It doesn't make the original word french.
That said, a lot of english words do come from french. In fact, the english word favour came from the old french favor, apparently?
c. 1300, "attractiveness, beauty, charm" (archaic), from Old French favor "a favor; approval, praise; applause; partiality" (13c., Modern French faveur), from Latin favorem (nominative favor) "good will, inclination, partiality, support," coined by Cicero from stem of favere "to show kindness to," from PIE *ghow-e- "to honor, revere, worship" (cognate: Old Norse ga "to heed").
US tends to drop the u's in a lot of words. It doesn't make the original word french.
That said, a lot of english words do come from french. In fact, the english word favour came from the old french favor, apparently?
c. 1300, "attractiveness, beauty, charm" (archaic), from Old French favor "a favor; approval, praise; applause; partiality" (13c., Modern French faveur), from Latin favorem (nominative favor) "good will, inclination, partiality, support," coined by Cicero from stem of favere "to show kindness to," from PIE *ghow-e- "to honor, revere, worship" (cognate: Old Norse ga "to heed").