English
prover
From prove + -er.
A compound of prove + -er
Proto-Indo-European *pro-bʰuH-s ‘being in front’
…
Latin probō ‘to test; to approve’
Proto-West Germanic *prōbōn
Old English prōfian ‘to esteem; to test, prove’
Middle English proven
English prove
Today it means
noun One who or that which proves.
Sources
Sources: Wiktionary, “prover”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / prover