Didn't die out (6)
I believe the answer is:
lasted
(Other definitions for lasted that I've seen before include "Kept going" , "Continued for some time, endured" , "Endured, survived" , "Persisted, endured" , "Continued, being salted" .)
I believe the answer is:
lasted
(Other definitions for lasted that I've seen before include "Kept going" , "Continued for some time, endured" , "Endured, survived" , "Persisted, endured" , "Continued, being salted" .)