en_tn_lite_do_not_use/deu/16/04.md

No yeast must be seen among you

This can be stated in active form. Alternate translation: "You must not have any yeast among you" (See: rc://en/ta/man/jit/figs-activepassive)

within all your borders

"inside all your territory" or "in all your land"

first day

This "first" is the ordinal number for one. (See: rc://en/ta/man/jit/translate-ordinal)