This is the 355th most frequent Polish word.
ziemi
"Ziemi" means "of the Earth" or "of the ground" in English, depending on context.
The word 'ziemi' here is used to mean 'soil', referring to the ground.
Lubię zapach ziemi po deszczu.
I like the smell of soil after the rain.
Here, 'ziemi' is used in the broader sense of 'the land' or 'the earth', representing a country or homeland.
Ziemi nasi przodkowie zawsze bronili z honorem.
Our ancestors always defended the earth with honor.
In this case, 'ziemi' is used to denote the planet Earth in a spatial/geographical context.