langjährigem
Langjährigem is a declined form of the German adjective langjährig, meaning long-standing or lasting many years. It is not a stand-alone noun but a grammatical form used to describe a noun in the dative case. Specifically, langjährigem is the dative singular form used for masculine or neuter nouns when no determiner is present (strong declension) or after prepositions that require the dative.
With a definite article or determiner, the form changes to dem langjährigen … in typical phrases such
- Mit langjährigem Engagement hat die Stiftung das Programm unterstützt.
- In langjährigem Zeitraum hat sich die Zusammenarbeit deutlich weiterentwickelt.
The form emphasizes duration and is common in formal or evaluative contexts, for instance when describing long-standing
Langjährigem derives from langjährig, formed from lang (long) and jahr (year) with the adjectival suffix -ig,