This is the 4191st most frequent Polish word.
cywilnych
"Cywilnych" means "civil" or "civilian" in English, depending on context.
Here, 'cywilnych' is used as an adjective describing 'zabudowań' (buildings), emphasizing their civilian nature.
Przeszliśmy przez obszar cywilnych zabudowań.
We walked through the area of civilian buildings.
In this sentence, 'cywilnych' modifies 'prawach' (laws), indicating the laws pertaining to civil matters as opposed to criminal or administrative ones.
Nauczyciele omówili różne zastosowania w prawach cywilnych.
Teachers discussed various applications in civil laws.
Here, 'cywilnych' is used to qualify 'świadków' (witnesses), stressing that they were civilians and not military or institutional representatives.