Permanence (noun)

The quality or state of lasting or remaining unchanged indefinitely.

Origin:

From middle french permanent, from latin permanēns, present participle of permanēre ("to remain, last"), from per- ("through") + manēre ("to remai.n")

Examples:

1. The permanence of the mountains is a testament to their timeless beauty.
2. The permanence of the painting was ensured by the artist's use of high-quality materials.
3. The permanence of the written word allows us to revisit and reflect upon history.
4. The permanence of love is often portrayed as being eternal and unchanging.
5. The permanence of the universe is a concept that has been debated by scientists and philosophers for centuries.