This is the 9990th most frequent Polish word.
automatu
"Automatu" in English means "of the machine" or "of the automaton," depending on context.
The word 'automatu' is used in the genitive case, referring to an automated machine, such as a vending machine.
Proszę kupić kawę z automatu.
Please buy coffee from the machine.
Here, 'automatu' is again in the genitive case and pertains to a specific machine that produces sound.
Dźwięk z automatu był bardzo głośny.
The sound from the machine was very loud.
In this usage, 'automatu' serves as the genitive case, describing the ownership of the part that belongs to the machine.