inertness

noun

Etymology: Etymology tree English inert Proto-Germanic *-in- Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-yéti Proto-Indo-European *-eh₂yéti Proto-Indo-European *-h₂ti Proto-Germanic *-ōną Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Middle English -nesse English -ness English inertness From inert + -ness.

1. Lack of activity or exertion; habitual indisposition to action or motion
2. Absence of the power of self-motion; inertia.
3. Quality of being unreactive with other chemical compounds or elements.