Proof etymology

English

English word proof comes from Latin probus

Etymology of proof

Detailed word origin of proof

Dictionary entry Language Definition
probus Latin (lat) (morally) upright, honest, virtuous. Good, serviceable, excellent, superior, able.
probatus Latin (lat)
proba Late Latin (LL)
prove Old French (842-ca. 1400) (fro)
proof Middle English (1100-1500) (enm)
proof English (en) (US) A measure of the alcohol content of liquor. Originally, in Britain, 100 proof was defined as 57.1% by volume (not used anymore). In the US, 100 proof means that the alcohol content is 50% of the total volume of the liquid, and thus, absolute alcohol would be 200 proof.. (countable) An effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a [...]

Words with the same origin as proof

Descendants of probus

probability