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
ἀναίσθητος, βλακικός, ξύλινος, σιμός, νωθής, ἀμαθής, παχύδερμος, παχύς, ἀμβλύς, κωφός