βρυσικός

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)

Source

Spanish (DGE)

-ή, -όν
de manantial, corriente ὕδωρ Cat.Cod.Astr.9(2).145.