proving

Etymology 1

From Middle English provyng, pryvynge, equivalent to prove + -ing.

verb

1. present participle and gerund of prove

Etymology 2

From Middle English provyng, prevyng, provynge, prevynge, preovyng, prufunge, preofunge, from Old English *prōfung, equivalent to prove + -ing.

noun

1. (homeopathy) Experimentation to determine which substances cause which effects when ingested.
   a book of provings