ὑδροφαντική

English (LSJ)

(sc. τέχνη), ἡ, the art of discovering water, Gp. 2.6.1; also ὑδροφαντικά, τά, ibid.

German (Pape)

[Seite 1174] ἡ, sc. τέχνη, die Kunst, verborgenes Wasser zu entdecken.