Hides from Shakespeare the origins of Cleopatra and Anthony in seven plays (7)

'hides from shakespeare' is the definition.
(historical word for 'hide' used by Shakespeare)

'the origins of cleopatra and anthony in seven plays' is the wordplay.
'the origins of' indicates taking the first letters.
'and' means one lot of letters go next to another.
'anthony' becomes 'a' (this might be a standard abbreviation of which I'm unaware).
'in' indicates putting letters inside.
'plays' indicates an anagram.
The initial letter of 'cleopatra' is 'c'.
'c'+'a'='ca'
'seven' anagrammed gives 'enves'.
'ca' placed within 'enves' is 'ENCAVES'.