'Openeth' in the Bible

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,

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;