This is the 12000th most frequent Polish word.
lawendy
"Lawendy" means "lavenders" (plural form of lavender).
Here, 'lawendy' is a genitive singular form, used to describe the smell of lavender.
Piękny zapach lawendy unosił się w powietrzu.
The beautiful scent of lavender was floating in the air.
'Lawendy' is again in the genitive singular form, indicating the type of bouquet.
Kupiliśmy bukiet lawendy do dekoracji stołu.
We bought a bouquet of lavender to decorate the table.
'Lawendy' follows 'o zapachu', pointing to the lavender scent as a characteristic.