Berean Study Bible (BSB) - Exodus 10:21 >

Then the LORD said to Moses, “Stretch out your hand toward heaven, so that darkness may spread over the land of Egypt—a palpable darkness.”

Jewish Publication Society of America Version (JPS1917) - Exodus 10:21 >

And the LORD said unto Moses: 'Stretch out thy hand toward heaven, that there may be darkness over the land of Egypt, even darkness which may be felt.'