blear

From Middle English blere, related to Low German bleeroged (“bleareyed”), Middle High German blerre (“double vision”), German Blerre (“double vision”). Perhaps also related to blur.

From Middle English bleren, from Old English *blerian.

From Middle English bleren, from Old English *blǣran, related to West Frisian blearje (“to bleat, shout”), Dutch bleren, blaren (“to bellow, bleat”), German Low German blaren, blarren (“to blare, howl, shriek”), German plärren (“to howl, shriek, blare”).