Where does “eik” come from?

eik (Old Dutch) comes from Proto-West Germanic aik, from Proto-West Germanic *-ilā, from Proto-Germanic aiks, from Proto-Indo-European h₂eyǵ- — goat; oak.

Ancestry of “eik”, step by step

StepLanguageWordMeaning
1Proto-West Germanicaikoak
2Proto-West Germanic*-ilāForms feminine agent nouns, especially of plants and animals
3Proto-Germanicaiksoak tree; oak
4Proto-Indo-Europeanh₂eyǵ-goat; oak

Words derived from “eik”

Every word from Proto-Indo-European h₂eyǵ- →Every word from Proto-Germanic aiks →Every word from Proto-West Germanic *-ilā →
eik — Etymology, Origin & Word History | Etymology Explorer