The story
- Proto-Indo-European · derived from*ǵʰyem-“winter”
- Proto-Germanic · derived from*gimrį̄“a yearling ewe-lamb”
- Old Norse · derived fromgymbr“one-year-old ewe lamb”
- Middle English · inherited fromgimbyre
- English todaygimmer
From Middle English gimbyre, from Old Norse gymbr (“one-year-old ewe lamb”), from Proto-Germanic *gimrį̄ (“a yearling ewe-lamb”), from Proto-Indo-European *ǵʰyem- (“winter”).
Etymology from Wiktionary, CC BY-SA 4.0.