τὸ δ' ἐξαίφνης τὸ ἐν ἀναισθήτῳ χρόνῳ διὰ μικρότητα ἐκστάν → suddenly refers to what has departed from its former condition in a time imperceptible because of its smallness
ἀνεπικωλύτως: (ῡ) беспрепятственно (χρῆσθαι ταῖς ἡδοναῖς Diod.).
