peren·nate \ˈperəˌnāt, pəˈreˌn-\intransitive verb (-ed/-ing/-s) Etymology: Latin perennatus, past participle of perennare, from perennis perennial : to live over from season to season : be perennial : persist < a perennating rhizome from which flowering shoots arise annually — Clarence Sterling > • peren·na·tion\ˌperəˈnāshən, ˌpeˌreˈn-, pəˌreˈn-\noun-s