Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Icelandic eiði
Proto-Germanic *aidiją (derived)
Proto-Indo-European *h₁y- (derived)
Icelandic grandi (link)
Icelandic landbrú (link)
Icelandic sund (link)
Latin eo (mention)
Old Norse eið (derived)

English eid (mention)
Old Norse eið (link)