It seems that you have provided an incomplete or incorrect word, 'l', which does not convey a specific meaning in English. However, if you meant a letter or an abbreviation, it can represent various concepts depending on the context. For example, 'l' can represent the number 50 in Roman numerals or could be an abbreviation for 'length'.
There are no direct synonyms for 'l' as it stands. However, if 'l' represents 'length', synonyms might include: - Measurement - Extent - Size
Again, there are no direct antonyms for 'l'. If considering 'length', potential antonyms could be: - Shortness - Brevity
The letter 'l' comes from the Latin alphabet, derived from the Greek letter lambda, which in turn has roots in the Phoenician letter. The specific origins depend on what 'l' is referring to in context.
If 'l' is intended to mean something specific different from what was interpreted, please provide that word for further assistance.