The lion's share is an idiomatic expression which  refers to the major share of something. The phrase derives from the plot of a number of fables ascribed to Aesop and is used here as their generic title. There are two main types of story, which exist in several different versions. Other fables exist in the East that feature division of prey in such a way that the divider gains the greater part - or even the whole.  
The lion's share is an idiomatic expression which now refers to the major share of something. The phrase derives from the plot of a number of fables ascribed to Aesop Brewer’s Dictionary of Phrase and Fable and is used here as their generic title. There are two main types of story, which exist in several different versions. Other fables exist in the East that feature division of prey in such a way that the divider gains the greater part - or even the whole. In English the phrase used in the sense of nearly all only appeared at the end of the 18th century;Merriam-Webster Dictionary the French equivalent, le partage du lion, is recorded from the start of that century, following La Fontaine's version of the fable. Pascal Tréguer URL Wordhistories
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In English the phrase used in the sense of nearly all only appeared at the end of the 18th century;Merriam-Webster Dictionary the French equivalent, le partage du lion, is recorded from the start of that century, following La Fontaine's version of the fable.
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Pascal Tréguer URL Wordhistories