What does biocōlȳta mean in Latin?

biocōlȳta, a noun, means “police officer, one who protects against violence”.

What is the genitive of biocōlȳta?

The genitive singular is biocōlȳtae. biocōlȳta is masculine, first declension.

In classical Latin, [bi.ɔ.koːˈlyː.ta]; in ecclesiastical (church) Latin, [bi.o.koˈliː.ta].

noun · masculinefirst declension

biocōlȳta m (genitive biocōlȳtae)

Classical[bi.ɔ.koːˈlyː.ta]Ecclesiastical[bi.o.koˈliː.ta]

New Latinpolice officer, one who protects against violence
2003, Reijo Pitkäranta, De viro ministricidii suspecto https://web.archive.org/web/20161104223747/http://www.interrete.de/latein/nuntiifinarch2.html, Nuntii Latini 19.9.2003Police have pronounced themselves satisfied that the same person who was caught by camera surveillance in the department store at the same time as when Anna Lindh was stabbed by a knife, did the deed.
...centum autem obsides manserunt usque ad adventum biocolytarum...however, one hundred hostages remained until the police arrivedEphemeris (Lydia Ariminensis), Magnae Caedes Lutetiae Perpetrata Terrorem Fudit 17/11/2015

bĭŏcōlȳta, ae, m., = βιοκωλυτής,

I. one who protects against violence, Jul. Epit. Nov. 15, 60.

Borrowed from Ancient Greek βιοκωλυτής (biokōlutḗs).