Where does “amphioceanic” come from?

amphioceanic (English) comes from English amphi-, from Ancient Greek ἀμφίς, from Proto-Indo-European h₂m̥bʰi, from Proto-Indo-European h₂n̥tbʰi, from Proto-Indo-European h₂énts, from Proto-Indo-European h₂ent-, from Proto-Indo-European h₂en- — on, onto.

amphioceanic (English): That inhabits two oceans (typically the Arctic and North Atlantic or North Pacific)

Definitions

  1. That inhabits two oceans (typically the Arctic and North Atlantic or North Pacific)

Ancestry of “amphioceanic”, step by step

StepLanguageWordMeaning
1Englishamphi-both
2Ancient Greekἀμφίςon both sides; around; apart, asunder
3Proto-Indo-Europeanh₂m̥bʰiaround, on either side of, about; in exchange...
4Proto-Indo-Europeanh₂n̥tbʰi
5Proto-Indo-Europeanh₂éntsforehead; front
6Proto-Indo-Europeanh₂ent-face; forehead; front
7Proto-Indo-Europeanh₂en-on, onto
Every word from Proto-Indo-European h₂en-