The story
- Proto-Germanic · derived from*awô“grandfather, paternal uncle”
- Proto-West Germanic · derived from*auhaim“maternal uncle”
- English todayohm
Named after Bavarian physicist Georg Ohm. A German surname, first recorded in the 12th century, from German Ohm (“uncle”), from Proto-West Germanic *auhaim (“maternal uncle”), from or related to Proto-Germanic *awô (“grandfather, paternal uncle”) + *haimaz (“home”). Doublet of oom and of dialectal eam (“uncle”).
Etymology from Wiktionary, CC BY-SA 4.0.