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prob / prov

to test, approve; good

Latin · probare / probus

Latin probare 'to test, prove worthy' and probus 'good'. Prob- and prov- words are about testing and proof: prove shows by test, probe tests by exploring, approve says a test was passed, probable is likely to be proved.

Memory trick

PROBe tests the ground: PROB/PROV means test it, then prove it good.

Words from this root