This is the 9396th most frequent Russian word.
того
"Того" is the genitive case of "тот," meaning "of that" or "that one" in English.
In this sentence, 'того' is a demonstrative pronoun in the genitive case used to refer to a previously mentioned object.
Я хотел бы купить что-нибудь подобное того, что мы видели вчера.
I would like to buy something like the one we saw yesterday.
Here, 'того' is part of the phrase 'для того чтобы', indicating purpose or reason ('in order to').
Для того чтобы понять эту проблему, нужно изучить её корни.
In order to understand this problem, one needs to study its roots.
In this case, 'того' is used in combination with 'момента' (moment) to specify a particular point in time in the past.