decolonization

noun3

1. •
   The freeing of a colony etc from dependent status by granting it independence.
2. •
   The reverse of colonization, i.e. granting back autonomy to a group.

   • But what does decolonisation have to do with place names? Place names are the meeting points of history and geography that shape part of our identities. — 2019
3. •
   The elimination of a colony of pathogens from the body of a patient, especially antibiotic-resistant pathogens.