This is the 63rd most frequent Czech word.
tisíc
"Thousand."
Here, 'tisíc' means 'a thousand', used as a cardinal number indicating quantity.
Mám tisíc knih.
I have a thousand books.
The word 'tisíc' is part of 'tisíckrát', meaning 'a thousand times', used to denote frequency.
Šel bych tam tisíckrát, kdybych mohl.
I would go there a thousand times if I could.
In this sentence, 'tisíc' metaphorically describes an indefinitely large number, indicating richness or abundance.