
der Eckpfeiler
corner pillar
A supporting pillar at the corner of a building or another structure.
Der Eckpfeiler des alten Hauses musste dringend verstärkt werden.
The corner pillar of the old house urgently needed to be reinforced.
cornerstone
der Eckpfeiler, die Eckpfeiler
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corner pillar
A supporting pillar at the corner of a building or another structure.
Der Eckpfeiler des alten Hauses musste dringend verstärkt werden.
The corner pillar of the old house urgently needed to be reinforced.

cornerstone
A particularly important foundation or central component of something.
Vertrauen ist ein Eckpfeiler jeder guten Beziehung.
Trust is a cornerstone of every good relationship.
| gender | masculine der |
|---|---|
| plural | die Eckpfeiler |
| genitive | des Eckpfeilers |
| singular | plural | |
|---|---|---|
| nominative | der Eckpfeiler | die Eckpfeiler |
| accusative | den Eckpfeiler | die Eckpfeiler |
| dative | dem Eckpfeiler | den Eckpfeilern |
| genitive | des Eckpfeilers | der Eckpfeiler |
The article changes with the case; it is shown in colour.
'Eckpfeiler' (cornerstone) is made up of 'Eck-' (corner) and 'Pfeiler' (pillar); 'Eck-' is related to 'Ecke' (corner). The image of a supporting structural element also helps with understanding the figurative meaning: something important supports the whole.
Eine unabhängige Presse ist ein Eckpfeiler der Demokratie.
An independent press is a cornerstone of democracy.
In a construction context, typical collocations include 'einen Eckpfeiler errichten' (to build a corner pillar), 'einen Eckpfeiler verstärken' (to reinforce a corner pillar), and 'einen Eckpfeiler abstützen' (to brace a corner pillar). 'Abstützen' refers to adding extra support to secure the structural element.
Während der Reparatur mussten die Bauarbeiter den beschädigten Eckpfeiler abstützen.
During the repairs, the construction workers had to brace the damaged corner pillar.
What rests on a cornerstone is often connected with a genitive: 'ein Eckpfeiler des Erfolgs' (a cornerstone of success). The pattern 'als Eckpfeiler gelten' (to be considered a cornerstone) is also common; no preposition follows 'als'.
Regelmäßige Weiterbildung ist ein Eckpfeiler unseres Erfolgs.
Regular professional development is a cornerstone of our success.
Der öffentliche Nahverkehr gilt als Eckpfeiler einer klimafreundlichen Verkehrspolitik.
Public transportation is considered a cornerstone of climate-friendly transport policy.