The story
- Proto-Indo-European · derived from*ǵʰley-“to gleam, shimmer, glow”
- Proto-Germanic · derived from*glimō
- Old Norse · derived from*glim
- Old English · inherited fromgleomu“splendor”
- Middle English · inherited fromglim
- English todayglim
From Middle English glim, glimme (“radiance; shining brightness”), of uncertain further origin. Perhaps from Old English gleomu (“splendor”) and/or Old Norse *glim, *glima, both apparently from Proto-Germanic *glimō, from Proto-Indo-European *ǵʰley- (“to gleam, shimmer, glow”). Compare Norwegian Nynorsk glim, dialectal Old Swedish glim, glimma.
Words from the same roots
Proto-Germanic*glimō all →
Proto-Indo-European*ǵʰley- all →
Etymology from Wiktionary, CC BY-SA 4.0.