Why is the word number abbreviated No.?

[spluurtaf]

Really, is this an abbreviation in latin like Lbs. for pounds?

[Coldfire]

Yes. Numero.

[Kimstu]

Ablative case of Latin “numerus”, “number”.

[bibliophage]

*Originally posted by spluurtaf *
**Really, is this an abbreviation in latin like Lbs. for pounds? **

lbs. is nonstandard. The proper abbreviation for “pounds” and “pound” alike is lb., standing for the Latin libra or librae.