This is the 7807th most frequent Polish word.
małgorzatą
"Małgorzatą" is the instrumental case of "Małgorzata," a Polish feminine name equivalent to "Margaret."
The name 'Małgorzata' serves as the object of the action 'to meet' in the instrumental case 'Małgorzatą'.
Spotkałem się z Małgorzatą w parku.
I met Małgorzata in the park.
The name 'Małgorzata' functions as the object of the verb 'to talk' in the instrumental case 'Małgorzatą', indicating the individual being conversed with.
Rozmawiałem z Małgorzatą o jej pracy.
I talked with Małgorzata about her work.
The name 'Małgorzata' acts as the possessor in the genitive form 'Małgorzaty', indicating who has the 'friend'.