NET
11 (Now the name of the star is Wormwood.) So a third of the waters became wormwood, and many people died from these waters because they were poisoned.
Darby
11 And the name of the star is called Wormwood; and the third part of the waters became wormwood, and many of the men died of the waters because they were made bitter.
KJV
11 And the name of the star is called Wormwood: and the third part of the waters became wormwood; and many men died of the waters, because they were made bitter.