Treulosigkeit
From LSJ
πενία μόνα τὰς τέχνας ἐγείρει → poverty alone promotes skilled work, necessity is the mother of invention, necessity is the mother of all invention, poverty is the mother of invention, out of necessity comes invention, out of necessity came invention, frugality is the mother of invention
German > Latin
Treulosigkeit, perfidia (die Wortbrüchigkeit). – infidelitas (die Untreue). – infidum facinus (treulose Tat, z.B. ob infida multa facinora). – T. beweisen, perfide od. fraudulenter agere.