three-step russian
трёхходовка
three-move combination, three-step move, three-mover
Examples
Цены росли ступенчато, каждые три месяца.
Prices rose in steps every three months.
three-move combination, three-step move, three-mover
Цены росли ступенчато, каждые три месяца.
Prices rose in steps every three months.