timelessness
noun /ˈtaɪmləsnəs/
  /ˈtaɪmləsnəs/
[uncountable] (formal)- the quality of not appearing to be affected by the process of time passing or by changes in fashion
- the timelessness and universality of Shakespeare
 
 - the state of existing or continuing forever
- In death, space and time end and timelessness begins.