Where does “vaseline” come from?

I need to clarify something: the etymology chain provided is for "water" (tracing German Wasser back through various language stages), but the headword given is "vaseline" (English). These don't match. Could you provide the correct etymology chain for vaseline, or confirm if you meant the headword should be "water"? Once I have the correct chain, I'll write the one-sentence summary following all your rules.

vaseline (English): Petroleum jelly; Any particular kind of petroleum...