also: ゲオマンシー
geomancy
A method of divination that interprets markings on the ground or the patterns formed by tossing handfuls of soil, rocks, or sand. In modern contexts, it can also refer to feng shui-like practices or earth-based divination systems.
Geomancy is a type of divination that judges fortune based on dots or lines drawn on the ground.
In medieval Europe, geomancy was widely practiced.