'Openeth' in the Bible

And I, behold, I have taken the Levites from among the children of Israel instead of all the firstborn that openeth the matrix among the children of Israel: therefore the Levites shall be mine;

For they are certainly given to Me out of the midst of the sons of Israel, instead of him who openeth any womb -- the first-born of all -- from the sons of Israel I have taken them to Myself;

and the earth openeth her mouth, and swalloweth them, and their houses, and all the men who are for Korah, and all the goods,

Every thing that openeth the matrix in all flesh, which they bring unto the LORD, whether it be of men or beasts, shall be thine: nevertheless the firstborn of man shalt thou surely redeem, and the firstling of unclean beasts shalt thou redeem.

And Jehovah openeth the mouth of the ass, and she saith to Balaam, 'What have I done to thee that thou hast smitten me these three times?'

and the earth openeth her mouth, and swalloweth them and Korah, in the death of the company, in the fire consuming the two hundred and fifty men, and they become a sign;