An Etymological Dictionary of the German Language/her
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her, adv., ‘hither, this way.’ from MidHG. hër (hëre), OHG. hëra, adv., ‘hither,’ formed like OHG. wara, ‘whither’; allied to Goth. hiri, adv. imperat., ‘come here.’ Connected with a pronom. stem hi-. See heute, hier, hinnen.