wandering or journeying away from home => poreia (Greek) meaning 'journey'
abnormal compulsion to wander
<psychiatry> A morbid impulse to wander or journey away from home. ... Origin: G. Poreia, a journey, + mania, frenzy ... (05 Mar 2000) ... 
Type: Term Pronunciation: pōr′ē-ō-mā′nē-ă Definitions: 1. A morbid impulse to wander or journey away from home.
poriomania 1. An irresistible impulse to wander or journey away from one’s home. 2. An unmotivated, aimless desire to wander. 3. A pathological compulsion to journey from one place to another, whether consciously or without recall of the event.