Etymograph

English

abohm

From ab- (“absolute”) + ohm.

A compound of ab- ‘absolute’ + ohm

Proto-Indo-European *h₂epo ‘off, away’

English ab-

Proto-Germanic *awahaimaz ‘maternal uncle’

Proto-West Germanic *auhaim ‘maternal uncle’

English ohm

Today it means

noun A unit of electrical resistance equal to one billionth of an ohm (10⁻⁹ ohms), used in the centimeter-gram-second system of units.

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

Etymograph / abohm