This is the 15828th most frequent German word.
ältester
"Ältester" means "eldest" or "oldest person."
Here, 'ältester' is used as a superlative form of the adjective 'alt', indicating the highest degree of age among peers.
Er ist der älteste Schüler in der Klasse.
He is the oldest student in the class.
In this sentence, 'älteste' is used to describe the noun 'Kirche', showing it as the one with the most advanced age.
Die älteste Kirche in der Stadt ist aus dem 12. Jahrhundert.
The oldest church in the city is from the 12th century.
Here, 'ältester' applies to the noun 'Bruder', used to specify the sibling with the greatest age.