Category: Luck Origin: Ancient Egypt, Medieval Christianity Traditions: Egyptian, Christian, Pagan Risk: Bad Luck
A ladder leaning against a wall creates a triangle — and triangles carry sacred meaning across multiple traditions.
Egyptian origin: The triangle was the shape of the pyramid — where the pharaoh’s ka (life force) resided and where divine power concentrated. Walking through a triangle was walking through sacred space; doing so carelessly risked disturbing the divine presence within.
Christian adaptation: The Trinity — Father, Son, Holy Spirit — was geometrically represented as a triangle. Walking through this shape broke the triangle, symbolically transgressing against the Trinity. Medieval Europeans took this seriously enough that convicted criminals were forced to walk under ladders at execution sites as a final desecration before death.
Practical origin: Ladders leaning against gallows or scaffold walls meant walking under them risked association with death and criminals. The superstition may have partly originated as practical warning.
Counter-ritual: Cross your fingers (invoking Christ’s cross) while walking through, then keep them crossed until you see a dog. In some traditions: walk backward out from under the ladder the same way you entered; this “undoes” the transgression.