Question

A slow directional shift of the earth’ axis that required 260.000!years to complete called

Answer 1

 In particular, it can refer to the gradual shift in the orientation of Earth's axis of rotation in a cycle of approximately 26,000 years.This is similar to the procession of a spinning-top, with the axis The term "procession" typically refers only to this largest part of the motion; other changes in the alignment of Earth's axis—notation and polar motion—are much smaller in magnitude.