This is the 2703rd most frequent Polish word.
dawny
"Former" or "old-time."
In this sentence, "dawny" is used as an adjective to describe something that existed or was relevant in the past.
Dawny pałac królewski został przekształcony w muzeum.
The former royal palace has been converted into a museum.
Here, "dawni" functions as an adjective referring to relationships or connections that were significant in the past.
Marzy mi się spotkanie z dawnymi przyjaciółmi.
I dream of meeting with old friends.
"Dawnych" is used as an adjective in the locative plural form to indicate something that pertains to a previous era or time period.