treulos
From LSJ
ῥᾴδιον φθείρειν φαρμακεύσεσιν ἢ ἀποτροπαῖς ἢ καὶ κλοπαῖς → easy to spoil by means of sorcery or diverting or theft
German > Latin
treulos, perfĭdus. perfidiosus (wortbrüchig; u. zwar perfidiosus aus Gewohnheit). – infidelis (ungetreu). – infīdus (unzuverlässig, z.B. ob infida multa facinora). – t. werden, fidem violare od. frangere od. laedere; in fide non manere. – Adv. perfĭde; perfidiose; infideliter.