eðja

Noun

 * 1) sludge
 * 2) mud, mire

Derived terms

 * (galvanic sludge)
 * (glass polishing and -grinding sludge)
 * (anode slime)
 * (lime mud)
 * (leather sludge)
 * (metal hydroxide sludge)
 * (ink sludge)
 * (sewage sludge)
 * (concrete sludge)