permanence; perpetuity; long continuance
Abstract noun referring to a state of lasting forever or continuing for a very long time. Often used in formal or literary contexts.
We wish for the permanence of peace.
The perpetuity of this system is not guaranteed.
Chōkyū era (1040.11.10-1044.11.24)
A specific Japanese historical era name. Used only in historical contexts.
I am researching events that occurred during the Chōkyū era.
She clasped her hands together, praying for her family's lasting prosperity.