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. Specific sense of "prove the genuineness of a will" is from 1792. Related: Probated; probating.