Where does “trafikkulykke” come from?

trafikkulykke (Norwegian Nynorsk) comes from Norwegian Nynorsk trafikk, from Italian traffico, from Vulgar Latin transfricare, from Latin fricō, from Latin frio, from Proto-Italic *friāō.

trafikkulykke (Norwegian Nynorsk): a road accident

Definitions

a road accident

Ancestry of “trafikkulykke”, step by step

trafikkulykke traces back through two separate lines of ancestry.

via Norwegian Nynorsk trafikk

Step	Language	Word	Meaning
1	Norwegian Nynorsk	trafikk	traffic
2	Italian	traffico	traffic; trade; activity, rush
3	Vulgar Latin	transfricare	to rub across
4	Latin	fricō	to rub
5	Latin	frio	I crumble, rub, or break into pieces
6	Proto-Italic	*friāō	—

via Norwegian Nynorsk ulykke

Step	Language	Word	Meaning
1	Norwegian Nynorsk	ulykke	an accident
2	Old Norse	úlykka	—
3	Middle Low German	ungelucke	—

Every word from Proto-Italic *friāō →Every word from Latin frio →Every word from Latin fricō →