An Etymological Dictionary of the German Language/Häher
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Häher, m., ‘jay, jackdaw,’ from MidHG. hëher, m. and f., OHG. hëhara, f.; in AS., by a grammatical change, higora, m., OIc. here and hegre, m., ‘jay,’ MidLG. heger. It is rightly compared with Gr. κίσσα (from *κίκjα), ‘jay,’ or Sans. çakuná, ‘a large bird’ (Lat. ciconia, ‘stork’).