probate (n.) Look up probate at Dictionary.com
"official proving of a will," c. 1400, from Latin probatum "a thing proved," neuter of probatus "tried, tested, proved," past participle of probare "to try, test, prove" (see prove).
probate (v.) Look up probate at Dictionary.com
1560s, "to prove," from probate (n.) or from Latin probatus, past participle of probare "to make good; esteem, represent as good; make credible, show, demonstrate; test, inspect; judge by trial." Specific sense of "prove the genuineness of a will" is from 1792. Related: Probated; probating.