Where does “Camelot” come from?

Camelot comes from Old French Camaalot, which derives from Latin Camulodunum, a place name of uncertain ultimate origin.

Ancestry of “Camelot”, step by step

Step	Language	Word	Meaning
1	Old French	Camaalot	—
2	Latin	Camulodunum	—
3	Proto-Celtic	dūnom	stronghold, rampart
4	Proto-Indo-European	dʰewh₂-	smoke; mist, haze

Camelot — Etymology, Origin & Word History | Etymology Explorer