λυγρῶς
From LSJ
τοῖς οἰκείοις συκοφαντίαν δέδωκεν → has given to his friends an opportunity for chicane, has offered to his friends the right of vindictive prosecution
French (Bailly abrégé)
adv.
d'une manière déplorable ou d'une manière funeste.
Étymologie: λυγρός.