the.com/emptying
The patient art of making something contain nothing, one removal at a time.
means The act of removing all contents from a container, space, or self until it holds nothing.
from From Old English 'aemtig,' meaning unoccupied or at leisure — to empty was literally to make idle, free, available.
Curious cousinShares roots with 'empty' meaning leisure, not lack.
Physics quirkA perfectly empty vacuum is impossible to achieve.
Mind versionMeditation calls emptying the mind its hardest task.