mehrjahrigen
Mehrjährig is a German adjective meaning lasting for or involving more than one year. It is used to describe activities, plans, contracts, or plants that extend over several years. In attributive position the word is declined to agree with the noun (for example: der mehrjährige Vertrag, die mehrjährigen Planungen, mehrjährige Pflanzen). The term can also appear predicatively in some contexts.
In botany, mehrjährig is commonly used to refer to perennials—plants that survive beyond a single growing season
In economics and public administration, mehrjährig describes schedules, budgets, or forecasts that span multiple years. A
Etymologically, mehrjährig derives from mehr (more) and jährlich (yearly), emphasizing the duration across several calendar years.