This is the 817th most frequent Latvian word.
daugavpilī
"In Daugavpils" (locative form of the city name Daugavpils).
The word 'daugavpilī' indicates the locative case, used to show the location where an action occurs.
Es nedēļas nogalē būšu Daugavpilī.
I will be in Daugavpils over the weekend.
Here, 'daugavpilī' also employs the locative case, denoting where the event happened.
Daugavpilī notika vieglatlētikas čempionāts.
The athletics championship took place in Daugavpils.
In this sentence, 'daugavpilī' again is in the locative case, describing the place where the activity is enjoyed.