Where does “*unkunþ” come from?

*unkunþ (Proto-West Germanic) comes from Proto-Germanic unkunþaz, from Proto-Germanic un-, from Proto-Indo-European n̥-, from Proto-Indo-European ne — not.

Ancestry of “*unkunþ”, step by step

StepLanguageWordMeaning
1Proto-Germanicunkunþazunknown
2Proto-Germanicun-not, un-
3Proto-Indo-Europeann̥-not, un-
4Proto-Indo-Europeannenot

Words derived from “*unkunþ

Every word from Proto-Indo-European neEvery word from Proto-Indo-European n̥-Every word from Proto-Germanic un-