Where does “*dalljā” come from?

*dalljā (Proto-West Germanic) comes from Proto-Germanic daljō, from Proto-Germanic dalą, from Proto-Indo-European dʰel- — an arch, vaulting, curve, curvature, cavity;...

Ancestry of “*dalljā”, step by step

StepLanguageWordMeaning
1Proto-Germanicdaljōa dell
2Proto-Germanicdaląvalley, dale
3Proto-Indo-Europeandʰel-an arch, vaulting, curve, curvature, cavity;...

Words derived from “*dalljā

Every word from Proto-Indo-European dʰel-Every word from Proto-Germanic daląEvery word from Proto-Germanic daljō