King James Version (KJV)
Then shall they know that I {am} the LORD, when I have laid the land most desolate because of all their abominations which they have committed.
Modern English
Then they will know that I am Yahweh, when I have made the land a desolation and an astonishment, because of all their abominations which they have committed.”’
Hebrew
וְיָדְע֖וּ כִּֽי־אֲנִ֣י יְהוָ֑ה בְּתִתִּ֤י אֶת־הָאָ֙רֶץ֙ שְׁמָמָ֣ה וּמְשַׁמָּ֔ה עַ֥ל כָּל־תּוֹעֲבֹתָ֖ם אֲשֶׁ֥ר עָשֽׂוּ׃
vyadʿv kiy-ʾaniy yhvah btitiy ʾet-haʾareṣ shmamah vmshamah ʿal kal-tvoʿabotam ʾasher ʿashv
כָּלkolevery / all