Crossword Genius

The part of 'Achilles'? (4)

Ross

I believe the answer is:

heel

I'm a little stuck... Click here to teach me more about this clue!

'the part' is the definition.
(heel is a kind of part)

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for heel that I've seen before include "Not the sole - scoundrel" , "Part of shoe; bad person" , "Despicable type" , "afoot?" , "order to dog" .)

Want a hint initially instead of a full solution? Install my app