Where does “Eenigenburg” come from?

Eenigenburg (Dutch) comes from Middle Dutch ênich, from Old Saxon enig, from Proto-Germanic ainagaz, from Proto-Germanic ainaz, from Proto-Indo-European óynos — one; single.

Ancestry of “Eenigenburg”, step by step

StepLanguageWordMeaning
1Middle Dutchênichany
2Old Saxonenigany; anyone
3Proto-Germanicainagazonly; sole; singular; unique
4Proto-Germanicainazone; some
5Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European óynos →Every word from Proto-Germanic ainaz →Every word from Proto-Germanic ainagaz →