From kata and trecho; to run down, i.e. Hasten from a tower -- run down.
see GREEK kata
see GREEK trecho
STRONGS NT 2701a: καταυγάζω [καταυγάζω: 1 aorist infinitive καταυγασαι; to beam down upon; to shine forth, shine brightly: 2 Corinthians 4:4 L marginal reading Tr marginal reading, where others αὐγάσαι which see; cf. φωτισμός, b.; (transitive, Wis. 17:5, etc.; intransitive, 1 Macc. 6:39; Heliodorus 5, 31).]