foede
From LSJ
ἡ κέρκος τῇ ἀλώπεκι μαρτυρεῖ → you can tell a fox by its tail, small traits give the clue to the character of a person
Latin > English (Lewis & Short)
foedē: adv., v. 1. foedus.
Latin > French (Gaffiot 2016)
fœdē¹¹ (fœdus 1) d’une manière affreuse, horrible, odieuse : Lucr. 1, 85 ; 5, 1224 ; Virg. En. 10, 498 ; Liv. 6, 1, 11