English

aglare

From a- (“on, in”) + glare.

A compound of a- ‘on, in’ + glare

Proto-Indo-European *uds- ‘up, out’

Proto-Germanic *uz- ‘out-’

Proto-West Germanic *uʀ- ‘up, out, over’

English a-

Proto-West Germanic *glarōn ‘to shine like glass’

Old English *glærian

Middle English glaren

English glare

Today it means

adj Glaring (either verb sense)

Language periods are conventional ranges, not dates for this word.