Find the word definition

Wikipedia
Marjapussi

Marjapussi (Bag of Berries) is a traditional Finnish partnerships trick taking game. The speciality of Marjapussi is that the trump suit is determined in the middle of the play by declaring a marriage (a king and a queen of a same suit). To win a game, a partnership must get exactly twelve points. A very similar game evidently related to Sixty-six, but with a curious resonance of All Fours is played in Sweden under the name Bondtolva, Farmer's Dozen.

Later, Marjapussi evolved into Huutopussi (Auction Bag), which involves bidding. The exact winning condition was dropped, but the trump determining process remained. Actually, in Huutopussi the trump suit may even change in the middle of the play if players declare further marriages.