Where does “Ott” come from?

Ott (German) comes from Turkish ot, from Ottoman Turkish اوت, from Proto-Turkic ōt — fire; bonfire.

Ancestry of “Ott”, step by step

Ott traces back through two separate lines of ancestry.

via Turkish ot

StepLanguageWordMeaning
1Turkishotgrass; herb
2Ottoman Turkishاوتyes; herb, grass, weed; poison, chemical remedy...
3Proto-Turkicōtfire; bonfire

via Frankish *aud

StepLanguageWordMeaning
1Frankish*aud
Every word from Proto-Turkic ōtEvery word from Ottoman Turkish اوتEvery word from Turkish ot