Levitico 23:34

³⁴ "Parla ai figliuoli d’Israele, e di’ loro: Il quindicesimo giorno di questo settimo mese sarà la festa delle Capanne, durante sette giorni, in onore dell’Eterno.

Leaven

'Leaven' signifies evil and falsity which should not be mixed with good and true things.

¹¹ "'No meal offering, which you shall offer to Yahweh, shall be made with yeast; for you shall burn no yeast, nor any honey, as an offering made by fire to Yahweh.