'Week' in the Bible

Complete the week of this one, then I will also give you the other, {on the condition that you will work for me} another seven years."

And Jacob did so. So he completed the week of this [one], then he gave Rachel his daughter to him as a wife.

And he will make a strong covenant with the many [for] one week, but [in] half of the week he will let cease sacrifice and offering {and in its place} a desolating abomination [comes] even until {the determined complete destruction} is poured out on [the] desolator."