axinomancy
Divination by saws or axes.
rare, uncountable
Diuination generally was done by diuers means […] by hatchets, Axinomancy
Where it comes from
Latin axinomantia, from Ancient Greek ἀξινομαντεία (axinomanteía), from ἀξίνη (axínē, “axe”) and μαντεία (manteía, “prophecy”)
Adapted from the Wiktionary entry axinomancy (CC BY-SA 4.0).