Why is lb. the abbreviation for pound/pounds?

What is the history of lb.?

barbara v2013-04-02T19:28:57Z

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The reason why pound is abbreviated as lb is because the Latin way of saying pounds is 'libra,' which is the basic unit of Roman weight.

Anonymous2013-04-02T19:23:06Z

I've been wondering that too

Mike2013-04-02T19:29:36Z

from the latin libra