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
prōcērē: adv., v. procerus.
prōcērē [inus.] (procerus), en longueur, avec étendue
