Why does the noun Tresor have the article der?

Nouns ending in -or are mostly masculine. Look at the bolded -or in the noun above — that suffix is the giveaway.

Examples

der Motor (motor), der Autor (author), der Faktor (factor), der Doktor (doctor), der Professor (professor), der Direktor (director), der Sponsor (sponsor)

Exceptions

das Labor (laboratory), das Tor (gate), das Fluor (fluorine), das Chlor (chlorine), das Dekor (decoration)

Declension table for German noun Tresor

How it changes across the four cases.

CaseDefiniteIndefiniteNegative
Nominativder Tresorein Tresor—
Akkusativden Tresoreinen Tresor—
Dativdem Tresoreinem Tresor—
Genitivdes Tresorseines Tresors—

Examples in context

Real sentences using Tresor in different cases.

CaseDefiniteIndefiniteNegative
Nominativ
—
Akkusativ
—
Dativ
—
Genitiv
—

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Frequently asked questions

Everything you might wonder about der, die, das — and the Der Artikel app.

Is it der, die, or das Tresor?

It is der Tresor. In German, every noun has a grammatical gender, and Tresor is masculine. You should always learn the article together with the noun to ensure your German grammar is correct.

What is the plural of der Tresor?

The plural form of der Tresor is die Tresore. In German, regardless of the singular gender, all plural nouns use the definite article “die.”

What does der Tresor mean in English?

The German word der Tresor translates to “safe” in English.

How do you decline der Tresor?

Like all German nouns, Tresor changes its article depending on the case. In the singular, the forms are:
  • Nominativ: der Tresor
  • Akkusativ: den Tresor
  • Dativ: dem Tresor
  • Genitiv: des Tresors

These changes are necessary because German uses cases to indicate the noun’s role in a sentence (such as the subject or object). Knowing these forms allows you to build grammatically correct sentences.