/ rɪˈkʌrənt; NAmE -ˈkɜːr-/ adjective
that happens again and again :
recurrent infections
Poverty is a recurrent theme in her novels.
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WORD ORIGIN
late 16th cent. (originally referring to a nerve of blood vessel turning back in order to reverse direction): from Latin recurrent- running back, from the verb recurrere , from re- again, back + currere run.