Where does “*Frījā dag” come from?

*Frījā dag (Proto-Germanic) comes from Latin dīēs Veneris, from Latin Veneris.

Ancestry of “*Frījā dag”, step by step

Step	Language	Word	Meaning
1	Latin	dīēs Veneris	—
2	Latin	Veneris	—

*Frījā dag — Etymology, Origin & Word History | Etymology Explorer