Where does “navel” come from?

navel (Middle Dutch) comes from Old Dutch navalo, from Proto-West Germanic nabulō, from Proto-Germanic nabulô, from Proto-Indo-European h₃nobʰilos, from Proto-Indo-European h₃nobʰ- — navel, nave.

Ancestry of “navel”, step by step

StepLanguageWordMeaning
1Old Dutchnavalonavel
2Proto-West Germanicnabulōnavel
3Proto-Germanicnabulô
4Proto-Indo-Europeanh₃nobʰilosnavel
5Proto-Indo-Europeanh₃nobʰ-navel, nave
Every word from Proto-Indo-European h₃nobʰ-Every word from Proto-Indo-European h₃nobʰilosEvery word from Proto-Germanic nabulô