Shemot 34:19

19 All that openeth the rechem (womb) is Mine; and every firstling among thy cattle, whether ox or seh, that is zachar.

Shemot 34:19 Meaning and Commentary

Exodus 34:19

All that openeth the matrix is mine
Or "the womb", and therefore to be sanctified, and set apart for his use: this also was declared, and the law concerning it given, at the time of their coming out of Egypt, and here repeated, (See Gill on Exodus 13:2), (See Gill on Exodus 13:12).

Shemot 34:19 In-Context

17 Thou shalt make thee no elohei massekhah.

18 The Chag Hamatzot shalt thou be shomer over. Shivat yamim thou shalt eat matzot, as I commanded thee, in the mo’ed of the month Aviv; for in the month Aviv thou camest out from Mitzrayim.

19 All that openeth the rechem (womb) is Mine; and every firstling among thy cattle, whether ox or seh, that is zachar.

20 But the firstling of a donkey thou shalt redeem with a seh; and if thou redeem him not, then shalt thou break his neck. Kol bechor of thy banim thou shalt redeem. And none shall appear before Me empty.

21 Sheshet yamim thou shalt work, but on the yom hashevi’i thou shalt rest; in plowing and in harvest thou shalt rest.