divagation
/dɪv.əˈɡeɪ.ʃən/Definitions
1. noun
a meandering or digressive talk or writing, often in a rambling or inconsequential way
“The professor’s divagation about the historical context of the novel confused the students.”
2. verb
to wander or stray from a straight course or a proper path
“The hikers’ divagation from the trail led them to discover a hidden waterfall.”