cásus
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In the OE text, the length is:indicated by acute accentsindicated by macronsnot indicated.
cásus
AddVerbum ys word, án dǽl lédensprǽce mid tíde and háde bútan cáse, Ælfc. Gr. Z. 119, 9. Tó sumum cásum, 107, 4.
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A Combined List of Abbreviations.