encroachment
(noun)
noun
1. any entry into an area not previously occupied
Similar word(s): intrusion, invasion
Definition categories: event, entering, entrance
2. entry to another's property without right or permission
Similar word(s): intrusion, trespass, usurpation, violation
Definition categories: act, misconduct, wrongdoing
3. influencing strongly
Similar word(s): impact, impingement