Levitico 23:16

¹⁶ Conterete cinquanta giorni fino all’indomani del settimo sabato, e offrirete all’Eterno una nuova oblazione.

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.