Thirtieth
From BiblePortal Wikipedia
Webster's Dictionary [1]
(1): ( n.) The quotient of a unit divided by thirty; one of thirty equal parts.
(2): ( a.) Constituting or being one of thirty equal parts into which anything is divided.
(3): ( a.) Next in order after the twenty-ninth; the tenth after the twentieth; - the ordinal of thirty; as, the thirtieth day of the month.
King James Dictionary [2]
Thirtieth, a. thur'tieth. from thirty. The tenth threefold the ordinal of thirty as the thirtieth day of the month.
