This is the 1427th most frequent Portuguese word.
leste
East.
Here, 'leste' is used to denote the cardinal direction 'east'.
O sol nasce no leste.
The sun rises in the east.
In this sentence, 'leste' describes a geographic area as 'eastern'.
Eu ouvi dizer que a parte leste da cidade é muito bonita.
I heard that the eastern part of the city is very beautiful.
In this context, 'leste' indicates the origin direction of the winds.