The story
- Proto-Germanic · derived from*ampraz“sharp”
- Proto-West Germanic · inherited from*amprō
- Old English · derived fromampre“a dilated vein, varix, tumour, swelling; dock, sorrel”
- Middle English · derived fromampre
- English todayamper
From Middle English ampre, from Old English ampre (“a dilated vein, varix, tumour, swelling; dock, sorrel”), from Proto-West Germanic *amprō, *amprā (“dock, sorrel”), which is related to Proto-Germanic *ampraz (“sharp”). Related to aber.
Etymology from Wiktionary, CC BY-SA 4.0.