Crossword Genius

Hero apt to struggle grasping Latin Mass (8)

Ross

I believe the answer is:

plethora

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'mass' is the definition.
The answer and definition can be both human attributes as well as being singular nouns.
Maybe you can see an association between them that I don't see?

'hero apt to struggle grasping latin' is the wordplay.
'to struggle' is an anagram indicator (letters move around or struggle).
'grasping' means one lot of letters goes inside another (inserted letters are held or grasped).
'latin' becomes 'l'.
'hero'+'apt'='heroapt'
'heroapt' anagrammed gives 'pethora'.
'pethora' placed around 'l' is 'PLETHORA'.

Can you help me to learn more?

(Other definitions for plethora that I've seen before include "Abundant supply" , "Superabundance" , "Over-fullness, excess" , "(A) glut (of something)" , "Large number" .)

I've seen this clue in The Guardian.
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