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Old English ǣr (inherited)
←
Old English ǣrest (mention)
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Middle English er (inherited)
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Proto-Germanic *airiz (inherited)
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Proto-Germanic *airi (derived)
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Ancient Greek ἠέριος (mention)
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Proto-Indo-European *h₂éyeri (inherited)
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Albanian herët (mention)
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Saterland Frisian eer (cognate)
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Luxembourgish éier (cognate)
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Old Norse áðr (cognate)