deciding the dealer
Used in mahjong and hanafuda for the process of determining who will be the dealer (親) for the first hand or round.
最初に親決めをしてからゲームを始めます。
We start the game after deciding the dealer first.
Compound of 親 (oya, 'parent; dealer') + 決め (kime, 'deciding'), from 決める (kimeru, 'to decide').