Hirn
Origin
From Middle English hirne, from Old English hyrne ("horn, corner, angle"), from Proto-Germanic *hurnijÇ ("horn, corner, angle"), from Proto-Indo-European *ḱera(w)-, *ḱrÅ«- ("horn"). Cognate with Old Frisian herne ("horn, corner, angle"), Old Norse hyrna ("corner"), Norwegian hyrna ("corner"), Icelandic hyrna ("point of an axehead, mountain peak"). More at horn.