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Vinony

adeptness

noun

  1. the quality or fact of being highly skilled or expert at something
L316037 on Wikidata ↗

Wiktionary

noun

Etymology: Etymology tree Proto-Indo-European *h₂éd Proto-Italic *ad Proto-Italic *ad- Latin ad- Latin apiō Proto-Indo-European *-sḱéti Proto-Italic *-skō Latin -scō Latin apīscor Latin adipīscor Latin adeptusbor. French adeptebor. English adept 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 adeptness From adept + -ness.

  1. The quality of being adept.