verb / noun
purge
PURJ/pɜːrdʒ/
The thorough removal of unwanted elements.
The gardener purges the diseased leaves from the otherwise healthy plants.

Etymology
Latin ‘cleanse’ included removing what was superfluous. The selected sense extends this cleansing idea to removing elements or members regarded as objectionable.
In context
they would purge bots because the benefits of membership would be shared by all who joined
More examples
- The annual purge of outdated files frees up storage space.
- The dictator orders a purge of political opponents from the army.
- The technician purges trapped air from the pipes.
Forms
purge · purges · purged · purging