Gadit

That

Definitions (3)
1pronounUsed to refer to a specific thing or person that is more distant in time or space, or less immediately present.
That is the book I was talking about.
I can't believe that happened yesterday.
Do you remember that time we went to the beach?
2conjunctionUsed to introduce a clause, often to give more information about something mentioned earlier.
I heard that you got a new job.
She said that she would come to the party.
It's important that we finish on time.
3adverbUsed to emphasize a degree or extent, often in a negative context.
It's not that difficult to solve.
I didn't think it was that expensive.
She wasn't that interested in the movie.
Word Origin
Language
Old English
Original word
þæt
Originally meant
that, which
Background
The word 'that' comes from Old English 'þæt', which was used similarly to how we use 'that' today, to point out or specify something.