improprie
From LSJ
Οὐδ' ἄμμε διακρινέει φιλότητος ἄλλο, πάρος θάνατόν γε μεμορμένον ἀμφικαλύψαι → Nor will anything else divide us from our love before the fate of death enshrouds us
Latin > English (Lewis & Short)
imprō̆prĭē: (inpr-), adv., v. improprius.
Latin > French (Gaffiot 2016)
imprŏprĭē, improprement : Plin. 10, 29 ; Gell. 17, 1 ; 6, 6, 2.