Where does “opnæ” come from?

opnæ (Old Danish) comes from Old Norse opna, from Proto-Germanic upanōną, from Proto-Germanic upanaz, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

Ancestry of “opnæ”, step by step

StepLanguageWordMeaning
1Old Norseopnato open; opening, crater; inflection of opinn: ##...
2Proto-Germanicupanōnąto open; to lift
3Proto-Germanicupanazopen
4Proto-Indo-Europeanupóunder, below
5Proto-Indo-Europeanh₃ewp-—

Words derived from “opnæ”

Every word from Proto-Indo-European h₃ewp- →Every word from Proto-Indo-European upó →Every word from Proto-Germanic upanaz →