[wurm-wood] –noun

any composite herb or low shrub of the genus Artemisia.
a bitter, aromatic plant, A. absinthium, of the Old World, used as a vermifuge and a tonic, and as an ingredient in absinthe.
something bitter, grievous, or extremely unpleasant.

Bible Verse

NIV version

King James Version

Jeremiah 9:15
"Therefore, this is what the Lord Almighty, the God of Israel, says: 'See, I will make this people eat bitter food and drink poisoned water.'"
"Therefore thus saith the LORD of hosts, the God of Israel; Behold, I will feed them, even this people, with wormwood, and give them water of gall to drink."
Lamentations 5:15, 19
"He has filled me with bitter herbs and sated me with gall. I remember my affliction and my wandering, the bitterness and the gall."
"He hath filled me with bitterness, he hath made me drunken with wormwood. Remembering mine affliction and my misery, the wormwood and the gall."
Revelations 8:10-11
"The third angel sounded his trumpet, and a great star, blazing like a torch, fell from the sky on a third of the rivers and on the springs of water— the name of the star is Wormwood. A third of the waters turned bitter, and many people died from the waters that had become bitter."
"And the third angel sounded, and there fell a great star from heaven, burning as it were a lamp, and it fell upon the third part of the rivers, and upon the fountains of waters; 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."