נֶתֶר nether

Meaning

mineral potash (so called from effervescing with acid)

In the King James Version: nitre.

Derivation: from H5425 (נָתַר);

Where it is used

• Proverbs 25:20 Like one who removes a garment on a cold day or vinegar poured on a wound is one who sings songs to a heavy heart.
• Jeremiah 2:22 Although you wash with lye and use an abundance of soap, the stain of your guilt is still before Me,” declares the Lord GOD.