These days needing backing to keep daughter in comfort in depressed area (4,3)

I believe the answer is:

dead sea

'depressed area' is the definition.

I don't understand the rest of the clue.

(Other definitions for dead sea that I've seen before include "At 400 m below seal level, the world's lowest point" , "Didn't win; TV series" , "Disappearing lake" , "Saltwater lake in the Jordan valley" , "Hypersaline lake" .)

I've seen this clue in The Guardian.

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