ἀνακαμπτέον
From LSJ
οὐ γὰρ συμφύεται τὰ πεπηγότα ὤσπερ τὰ ὑγρά (Aristotle, Meteorologica 348a.14) → since solid bodies/frozen drops cannot coalesce like liquid ones
English (LSJ)
A one must return, Sor.1.98, Philum. ap. Orib. 45.29.19.
Spanish (DGE)
hay que volver fig. de un tema interrumpido ἀ. δὲ ἐπὶ τὰ λοιπά Sor.75.26, πάλιν ἐπὶ τὰς κενώσεις Philum. en Orib.45.29.19.