This is the 15933rd most frequent Polish word.
tomu
"Tomu" in Polish means "to him" or "to that" (dative case of "ten").
Here, 'temu' is used in the dative form to refer to the indirect object, stemming from 'ten' (this).
Nie wiem, kogo można za to obarczyć winą, ale nie jestem temu powodem.
I don't know who can be blamed for this, but I am not the cause of it.
'Tomu' refers to 'volume' in the genitive form, related to the noun 'tom'.
Tego tomu nie przeczytałem jeszcze, ale mam zamiar.
I have not read this volume yet, but I intend to.
'Temu' here is used in the dative case to indicate the solution referenced earlier.