This root form (lemma) is used in 2 different forms in the NT: ἀστράπτουσα (PPA·NFS), ἀστραπτούσῃ (PPA·DFS).
It is glossed in 1 way: ‘flashing’.
OET LUKE 17:24 Greek word=ἀστράπτουσα (astraptousa) Morphology=PPA·NFS English gloss=‘flashing’ SR GNT LUKE 17:24 word 6
OET LUKE 24:4 Greek word=ἀστραπτούσῃ (astraptousaʸ) Morphology=PPA·DFS English gloss=‘flashing’ SR GNT LUKE 24:4 word 25