glour

Regarding the spelling glour/glower, compare lour/lower.

glour (third-person singular simple present glours, present participle glouring, simple past and past participle gloured)

1. Alternative spelling of glower.
   • 1858 May 1, [Percy Hetherington Fitzgerald], “By Night Express”, in Charles Dickens, editor, Household Words. A Weekly Journal, volume XVII, number 423, London: Published at the office, 16, Wellington Street North, Strand; printed by Bradbury & Evans, Whitefriars, London, OCLC 1024146410, page 479:

     Here the Neapolitan appeared at the door, glouring at us both. Velvet-Hood was back in her place in an instant. Said he, in his snarling way, his black eyes shooting out sparkles. "What is this hole and corner work? These confidences when I am gone—speak?"

• orgul