Jubilees 32:4-7,16-17,27-29
[4]And on the fifteenth of this month, he brought to the altar fourteen oxen from amongst the cattle, and twenty-eight rams, and forty-nine sheep, and seven lambs, and twenty-one kids of the goats as a burnt-offering on the altar of sacrifice, well pleasing for a sweet savour before Elohim.
[5]This was his offering, in consequence of the vow which he had vowed that he would give a tenth, with their fruit-offerings and their drink- offerings.
[6]And when the fire had consumed it, he burnt incense on the fire over the fire, and for a thank-offering two oxen and four rams and four sheep, four he-goats, and two sheep of a year old, and two kids of the goats; and thus he did daily for seven days.
[7]And he and all his sons and his men were eating (this) with joy there during seven days and blessing and thanking Yahuah, who had delivered him out of all his tribulation and had given him his vow.
[16]And on the following night, on the twenty-second day of this month, Jacob resolved to build that place, and to surround the court with a wall, and to sanctify it and make it holy for ever, for himself and his children after him.
[17]And Yahuah appeared to him by night and blessed him and said unto him: 'Thy name shall not be called Jacob, but Israel shall they name thy name.'
[27]And he celebrated there yet another day, and he sacrificed thereon according to all that he sacrificed on the former days, and called its name 'Addition,' for this day was added and the former days he called 'The Feast '.
[28]And thus it was manifested that it should be, and it is written on the heavenly tablets: wherefore it was revealed to him that he should celebrate it, and add it to the seven days of the feast.
[29]And its name was called 'Addition,' because that it was recorded amongst the days of the feast days, according to the number of the days of the year.