Where does the word plumbing originate from?
"Plumbing" originates from the original name for Lead (Pb), Plumbum, which is what most pipes were made from at the time.
### Instruction: Where does the word plumbing originate from?
### Context: 
### Answer: "Plumbing" originates from the original name for Lead (Pb), Plumbum, which is what most pipes were made from at the time.</s>