ὑποτροπιάζω
From LSJ
Ἑκὼν σεαυτὸν τῇ Κλωθοῖ συνεπιδίδου παρέχων συννῆσαι οἷστισί ποτε πράγμασι βούλεται. Πᾶν ἐφήμερον, καὶ τὸ μνημονεῦον καὶ τὸ μνημονευόμενον → Be willing to give yourself up to Clotho, letting her spin to whatever ends she pleases. All is ephemeral—both memory and the object of memory (Marcus Aurelius 4.34f.)
English (LSJ)
A return again, recur, esp. of an illness, Hp.Aph.4.61, Int.2, al.; ἐπὶ τὴν ἀρχαίαν ὑ. νόσον Ph.1.459.