
datieren
to date
To put a date on a document, letter, or work of art in order to record the time of its creation.
Bitte vergiss nicht, den Vertrag zu unterschreiben und zu datieren.
Please don't forget to sign and date the contract.
to date
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to date
To put a date on a document, letter, or work of art in order to record the time of its creation.
Bitte vergiss nicht, den Vertrag zu unterschreiben und zu datieren.
Please don't forget to sign and date the contract.

to date
To determine the age or time of origin of something, especially archaeological or geological finds.
Die Archäologen konnten den Knochenfund auf die frühe Bronzezeit datieren.
The archaeologists were able to date the bone find to the early Bronze Age.

to date from/to
To come from a particular time or to have originated in a particular time.
Das alte Manuskript datiert aus dem 15. Jahrhundert.
The old manuscript dates from the 15th century.
The verb 'datieren' (to date) is derived directly from the noun 'das Datum' (date). It describes the action connected with a date: either setting a date or determining the date of something.
Der Experte konnte das Gemälde genau datieren.
The expert was able to date the painting precisely.
The use of prepositions depends on the sentence construction. When a person determines the age, it is 'etwas auf [Akkusativ] datieren' (to date something to [accusative]). When an object comes from a time, it is 'etwas datiert aus [Dativ]' (something dates from [dative]).
Forscher datieren die Ruinen auf das 12. Jahrhundert.
Researchers date the ruins to the 12th century.
'Datieren' (to date) is a rather formal word that is often found in written language, scientific texts, or official documents. It is used less often in everyday conversation.
Alle offiziellen Dokumente müssen datiert und unterschrieben werden.
All official documents must be dated and signed.
In this meaning, the verb is active: a person or institution (e.g., archaeologists, experts) is the subject that performs the action of dating. By contrast, in the meaning 'stammen aus' (to come from/date from), the object itself is the subject of the sentence.
Ein Team von Geologen datiert die Gesteinsschicht auf ein Alter von zwei Millionen Jahren.
A team of geologists dates the rock layer to an age of two million years.
to originate
Stammen and datieren can both indicate the period a work comes from. Stammen is the general, neutral form. Datieren aus assigns the work more formally to a particular period of origin and is especially common in technical descriptions.

Nach Einschätzung der Fachleute datiert das Gemälde aus dem 18. Jahrhundert.
According to the experts, the painting dates from the eighteenth century.
Das Gemälde stammt aus dem 18. Jahrhundert.
The painting dates from the eighteenth century.