δωδεκαδάκτυλος
From LSJ
διὸ καὶ μεταλάττουσι τὴν φυσικὴν χρῆσιν εἰς τὴν παρὰ φύσιν αἱ δοκοῦσαι παρθένοι τῶν εἰδώλων → therefore those professing to be virgins of the idols even change the natural use into the unnatural (Origen, commentary on Romans 1:26)
English (LSJ)
ον,
A twelve fingers long or broad, Apollod.Poliorc.178.3; of twelve digits, of the apparent diameter of sun and moon, Cleom.2.3; δ. ἔκφυσις the duodenum, Herophil. ap.Gal.2.572, Ruf.Anat.42.
German (Pape)
[Seite 693] zwölffingerig, ἔκφυσις; auch ὁ δ., Zwölffingerdarm, Medic.; – zwölfzöllig. Sp.