This is the 9534th most frequent Polish word.
wnukowo
"WNukowo" refers to an airport near Warsaw, Poland.
The word 'Wnukowo' is used as the name of a place (proper noun).
Mieszkam niedaleko miejscowości Wnukowo.
I live close to the town of Wnukowo.
Here, 'wnukowo' is used adverbially to indicate matters related to grandchildren (from 'wnuk' meaning 'grandchild').
Na spotkaniu omówiliśmy sprawy wnukowo ważne.
At the meeting, we discussed matters crucial for the grandchildren.
In this sentence, 'wnukowo-dziadkowych' acts as a compound adjective describing relationships between grandchildren and grandparents.