ανταυγής
From LSJ
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
Greek Monolingual
ἀνταυγής, -ές (Α)
αυτός που ανακλά φως, φεγγοβόλος.
[ΕΤΥΜΟΛ. < αντ(ι)- + -αυγής < αύγος, αυγή].