This is the 916th most frequent Slovenian word.
lasti
"Lasti" in Slovenian means "to own" or "to possess" in English.
In this context, 'lasti' is used as a verb meaning 'to own'.
Lasti svojo hišo je pomembno.
Owning your house is important.
Here, 'lasti' (in the form 'lastiti') is showing the intention to own something as a verb.
On si želi lastiti drag avto.
He wants to own an expensive car.
In this example, the noun derived from 'lasti' (as 'lastništvo') is describing the concept of ownership.