This is the 53rd most frequent Polish word.
temu
"Temu" in Polish means "ago" when referring to time or "to this/that" depending on context.
Here 'temu' is used to denote the time elapsed since an event.
To wydarzyło się rok temu.
This happened a year ago.
Here 'temu' works as a pronoun referring to something mentioned previously and is connected with 'dzięki' (thanks to).
Dzięki temu mogłem łatwiej znaleźć rozwiązanie.
Thanks to this, I could find a solution more easily.
Here 'temu' is used to refer specifically to a particular thing or situation described in the context.