'Eighth' in the Bible
And it came to pass on the eighth day, that Moses called Aaron and his sons, and the elders of Israel,
And on the eighth day shall the flesh of his foreskin be circumcised.
And on the eighth day he shall take two he-lambs without blemish, and one yearling ewe-lamb without blemish, and three tenth parts of fine flour mingled with oil, for an oblation, and one log of oil.
And he shall bring them on the eighth day of his cleansing unto the priest, unto the entrance of the tent of meeting, before Jehovah.
And on the eighth day he shall take two turtle-doves, or two young pigeons, and come before Jehovah unto the entrance of the tent of meeting, and give them unto the priest.
And on the eighth day she shall take two turtle-doves, or two young pigeons, and bring them unto the priest, unto the entrance of the tent of meeting.
An ox, or a sheep, or a goat, when it is brought forth, shall be seven days under its dam; and from the eighth day and thenceforth it shall be accepted for an offering by fire to Jehovah.
Seven days ye shall present an offering by fire to Jehovah; on the eighth day shall be a holy convocation unto you; and ye shall present an offering by fire to Jehovah: it is a solemn assembly; no manner of servile work shall ye do.
But on the fifteenth day of the seventh month, when ye have gathered in the produce of the land, ye shall celebrate the feast of Jehovah seven days: on the first day there shall be rest, and on the eighth day there shall be rest.
and ye shall sow in the eighth year, and ye shall eat of the old fruit until the ninth year; until her produce come in, ye shall eat the old.