(ˌ)pər+, archaic ˈpərjərəbəl adjective
Etymology: Middle English, from Old French perdurable, pardurable, from Late Latin perdurabilis, from Latin perdurare to endure, last long + -abilis -able — more at perdure
1. : very durable : lasting a very long time or indefinitely
the perdurable granite of the ancient Appalachian spine of the eastern continent — Marjory S. Douglas
our literature is going to be our most perdurable claim on man's remembrance — A.T.Quiller-Couch
2. : eternal
• per·du·ra·bly -blē adverb