This is the 790th most frequent Slovak word.
karanténnych
"Of quarantine" or "quarantine-related."
The word 'karanténnych' is used as an adjective here to describe the noun 'opatrení', which pertains to the measures imposed during quarantine.
Počas karanténnych opatrení sme zostávali doma.
During the quarantine measures, we stayed at home.
In this sentence, 'karanténnych' describes 'zónach', indicating areas or zones designated specifically under quarantine conditions.
V karanténnych zónach platili špeciálne nariadenia.
Special regulations applied in quarantine zones.
The word 'karanténnych' modifies 'pravidiel', and here it refers to the rules that are associated with quarantine conditions.