Drunk grasps article on Latin work by Eliot (5,4)

'work by eliot' is the definition.
(TS Eliot wrote The Waste Land)

'drunk grasps article on latin' is the wordplay.
'drunk' becomes 'wasted' (I've seen this in another clue).
'grasps' is an insertion indicator (inserted letters are held or grasped).
'article' becomes 'an' (English indefinite article).
'on' is a charade indicator (letters next to each other).
'latin' becomes 'l'.
'an' after 'l' is 'lan'.
'wasted' enclosing 'lan' is 'WASTE LAND'.