King James Version (KJV)
In that day will I cause the horn of the house of Israel to bud forth, and I will give thee the opening of the mouth in the midst of them; and they shall know that I {am} the LORD.
Modern English
“In that day I will cause a horn to sprout for the house of Israel, and I will open your mouth among them. Then they will know that I am Yahweh.”
Hebrew
בַּיּ֣וֹם הַה֗וּא אַצְמִ֤יחַ קֶ֙רֶן֙ לְבֵ֣ית יִשְׂרָאֵ֔ל וּלְךָ֛ אֶתֵּ֥ן פִּתְחֽוֹן־פֶּ֖ה בְּתוֹכָ֑ם וְיָדְע֖וּ כִּי־אֲנִ֥י יְהוָֽה׃
bayvom hahvʾ ʾaṣmiyḥa qeren lbeyt yishraʾel vlka ʾeten pitḥvon-peh btvokam vyadʿv kiy-ʾaniy yhvah