This is the 1249th most frequent Russian word.
отдела
"Отдела" means "of the department" or "of the division" in English.
Here, "отдела" serves as the genitive singular form of "отдел" (department), indicating possession or relation to the head mentioned.
Начальник отдела подписал отчёт.
The head of the department signed the report.
In this sentence, "отдела" is used again in the genitive case to specify that the request originates from a particular department, "отдел маркетинга".
Мы получили запрос из отдела маркетинга.
We received a request from the marketing department.
Here, "отдела" demonstrates the genitive singular case used for the noun "отдел" when paired with "для", indicating the purpose of possession.