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
κέκτημαι: παρακ. του κτάομαι.
κέκτημαι: pf. к κτάομαι.
