Kalium n. : Potassium; -- so called by the German chemists.

Example:
What is the answer to the overthrow puzzle for Kalium Echo?

Taxonomy
potassium, sodium, potassium ion, concentration, 40K, milligrams, pores, Melting Point, Boiling Point, Electronegativity, diet, potassium metal, Potassium salts, decays, Atomic Number, Atomic Weight, cm3, potash.

Defination from the web:
... The name kalium was taken from the word "alkali", which came from Arabic al qalīy = "the calcined ashes" ...