The Bachelor of Laws (Latin: Legum Baccalaureus; LL.B. or B.L.) is an undergraduate degree in law (or a first professional degree in law, depending on jurisdiction) originating in England and offered in most common law jurisdictions. The "LL." of the abbreviation for the degree is from the genitive plural legum (of lex, law). Creating an abbreviation for a plural, especially from Latin, is often done by doubling the first letter (e.g., "pp" for "pages"), thus "LL.B." stands for Legum Baccalaureus in Latin. It is sometimes erroneously called "Bachelor of Legal Letters" to account for the double "L".