
das Arbeitszimmer
study
A room in an apartment or house that is used for working, studying, or office tasks.
Wegen des Homeoffice habe ich mir ein neues Arbeitszimmer eingerichtet.
Because of working from home, I set up a new study for myself.
study
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study
A room in an apartment or house that is used for working, studying, or office tasks.
Wegen des Homeoffice habe ich mir ein neues Arbeitszimmer eingerichtet.
Because of working from home, I set up a new study for myself.
'Arbeitszimmer' (study) is a compound noun made from 'die Arbeit' (work) and 'das Zimmer' (room). The linking 's' connects the two parts. So it is literally a 'room for work'.
Mein Arbeitszimmer ist leider sehr klein.
Unfortunately, my study is very small.
Pay attention to the prepositions: you work 'im Arbeitszimmer' (in the study; dative, location), but you go 'ins Arbeitszimmer' (into the study; accusative, direction).
Er geht jetzt ins Arbeitszimmer, um seine E-Mails zu lesen.
He is going into the study now to read his emails.
Common verbs used with 'Arbeitszimmer' (study) are 'einrichten' (to set up), 'nutzen' (to use), and 'sich zurückziehen' (to withdraw/retreat).
Er zieht sich oft ins Arbeitszimmer zurück, um in Ruhe lesen zu können.
He often retreats to the study so he can read in peace.
office / bureau
Büro and Arbeitszimmer can both refer to a room used for desk work. Arbeitszimmer specifically means a room in an apartment or house, while Büro usually emphasizes the workplace or a business environment. Arbeitszimmer is therefore more precise for a private workroom at home.

Heute arbeite ich in meinem Arbeitszimmer zu Hause an den neuen Unterlagen.
Today I am working in my study at home on the new documents.
Heute arbeite ich im Büro der Firma an den neuen Unterlagen.
Today I am working in the company office on the new documents.