Be durable (4)

I believe the answer is:
last
'be durable' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for last that I've seen before include "` `The cobler should stick to his ....' '" , "Cargo to stay fresh" , "Endure - this clue is!" , "Rearmost" , "Ultimate - endure" .)