Where does “wiþi” come from?

wiþi (Proto-Germanic) comes from Proto-Germanic wiþrą, from Proto-Indo-European wī-tero-, from Proto-Indo-European wi — apart, asunder; away from, against.

Ancestry of “wiþi”, step by step

StepLanguageWordMeaning
1Proto-Germanicwiþrątoward, against
2Proto-Indo-Europeanwī-tero-further apart
3Proto-Indo-Europeanwiapart, asunder; away from, against
Every word from Proto-Indo-European wi →Every word from Proto-Indo-European wī-tero- →Every word from Proto-Germanic wiþrą →