Endurance (7)

'endurance' is the definition.
(stamina is a kind of endurance)
This is all the clue.
(Other definitions for stamina that I've seen before include "Indefatigability" , "capability to keep going" , "Ability for sustained effort" , "Parts of flowers" , "Enduring energy" .)
'endurance' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for patience that I've seen before include "that one plays" , "Musical work" , "Virtue - solitaire" , "likely to be lost by the hot-tempered" , "Composure" .)
'endurance' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for survival that I've seen before include "The ... of the fittest (Darwinian evolutionary theory)" , "A hangover from a former time" , "Continued existence" , "Persistence" , "Relic from former times" .)