Breakdown of Zabezpieczywszy odciski palców, oficer przygotował protokół.
przygotować
to prepare
palec
finger, toe
oficer
the officer (m)
zabezpieczyć
to secure
Questions & Answers about Zabezpieczywszy odciski palców, oficer przygotował protokół.
How do we form zabezpieczywszy and why is it used here instead of a normal past tense verb?
It is the anterior adverbial participle, used to express an action completed before the main verb. For perfective verbs with a vowel before the infinitive ending -ć (like zabezpieczyć), you simply drop the -ć and add the suffix -wszy. It translates neatly to "having secured" and makes the sentence flow more formally than using two past tense verbs linked by "and" or "after".
Does the grammar of this sentence require the person securing the prints to be the same officer who wrote the report?
Yes, this is a strict rule in Polish. Adverbial participles (words ending in -wszy, -łszy, or -ąc) must always share the exact same subject as the main clause. If a technician secured the prints and the officer wrote the report, you could not use this participle; you would have to use a conjunction, like Po tym, jak technik zabezpieczył odciski, oficer...
Why is palców in the genitive case instead of matching the case of odciski?
The phrase odciski palców literally translates to "prints of fingers". The noun odciski (prints) is in the accusative case here because it is the direct object being secured. However, palców is in the genitive plural to show what the prints belong to or are made of. The word palców will remain genitive no matter what case odciski takes in the rest of the sentence.
Does just mean "protocol" as in a set of diplomatic rules or conduct?