to narrow down / enclose
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to narrow down
To reduce the number of possibilities or to define and limit a topic, problem, or search area more precisely.
Wir konnten die Suche auf drei mögliche Verdächtige eingrenzen.
We were able to narrow the search down to three possible suspects.
'Eingrenzen' (to narrow down / enclose) is a separable verb. The prefix 'ein-' is separated from the verb in a main clause and placed at the end of the sentence.
Die Polizei grenzt den Bereich für die Untersuchung ein.
The police are cordoning off the area for the investigation.
The word consists of 'ein-' and 'grenzen' (to border), derived from 'die Grenze' (the border/boundary). The literal meaning, 'to draw a boundary around something', is used both concretely (fencing in a garden) and abstractly (limiting a topic).
Können Sie das Thema für Ihren Vortrag bitte etwas genauer eingrenzen?
Could you please narrow down the topic for your presentation a bit more?
The context reveals the meaning: abstract nouns like 'Problem' (problem), 'Thema' (topic), or 'Auswahl' (selection) point to the meaning 'to limit'. Concrete nouns like 'Gebiet' (area), 'Garten' (garden), or 'Grundstück' (property) point to the physical meaning 'to enclose'.
Wir müssen die Ursache des Fehlers weiter eingrenzen.
We need to narrow down the cause of the error further.
In the abstract meaning 'to limit', the result of the narrowing down is often given with the preposition 'auf' and the accusative.
Die Techniker konnten das Problem auf einen einzigen Server eingrenzen.
The technicians were able to narrow the problem down to a single server.
to expand
'erweitern' and 'eingrenzen' are often opposites. With 'erweitern', you make something larger or add new points, for example a topic, a search, or an offering. With 'eingrenzen', you make the area smaller and more precise, for example with a question, a problem, or several possibilities. When you collect more ideas, you expand your perspective. When you then focus on a few suitable ideas, you narrow them down.
Die Ärztin grenzt die möglichen Ursachen für die Schmerzen weiter ein.
The doctor narrows down the possible causes of the pain further.
Vor dem Termin erweitert Frau Demir ihre Liste mit Fragen.
Before the appointment, Ms. Demir expands her list of questions.