Cultivate that Eulenspiegel character (4)

I believe the answer is:

till

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

'cultivate' is the definition.
(I've seen this before)

'eulenspiegel character' is the wordplay.
'eulenspiegel' becomes 'til' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'character' becomes 'l'.
'til'+'l'='TILL'

'that' is the link.

Can you help me to learn more?

(Other definitions for till that I've seen before include "Cash machine" , "Cash found here" , "Cultivate - cash register" , "Shopkeeper's moneybox" , "Small box in shop for holding cash" .)

I've seen this clue in the Evening Standard.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.