δρακοντιαῖος
From LSJ
ἔργον δὲ καλὸν οὔτε θεῖον οὔτ ̓ ἀνθρώπειον χωρὶς ἐμοῦ γίγνεται → there is no fine work of man or god without me
Spanish (DGE)
-α, -ον
1 de serpiente, serpentinoref. al diablo τῶν δρακοντιαίων συρισμάτων ... πειθόμενοι Amph.Mesopent.4, cf. Chrys.M.55.614.
2 dragontino ὁ δ. ὄφις cierto anim. fabuloso Phys.B 298.4.