expertness

noun

Etymology: Etymology tree English expert 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 expertness From expert + -ness.

1. The state of being expert; proficiency or skill.

   “I had […] armed myself with a revolver, in the use of which I finally reached a certain degree of expertness from frequent practice.”

   “Not only must she receive unheard-of personal favors and spiritual graces from her Saviour, but she must immediately write about them and exploiter them professionally, and use her expertness to give instruction to those less privileged.”