Probably from an alternate form of derkomai (to look); a fabulous kind of serpent (perhaps as supposed to fascinate) -- dragon.
δράκοντα (drakonta) − 1 Occurrence
δράκοντι (drakonti) − 1 Occurrence
δράκοντος (drakontos) − 2 Occurrences
δράκων (drakōn) − 9 Occurrences