Where does “unkwô” come from?

unkwô (Proto-Germanic) comes from Proto-Indo-European h₂n̥gʷʰ-, from Proto-Indo-European h₂engʷʰ- — water-worm, eel.

Ancestry of “unkwô”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeanh₂n̥gʷʰ-
2Proto-Indo-Europeanh₂engʷʰ-water-worm, eel
Every word from Proto-Indo-European h₂engʷʰ-Every word from Proto-Indo-European h₂n̥gʷʰ-