mortaliter
From LSJ
Εἰ θνητὸς εἶ, βέλτιστε, θνητὰ καὶ φρόνει → Mortalis quum sis, intra mortalem sape → Bist sterblich du, mein Bester, denk auch Sterbliches
Latin > English (Lewis & Short)
mortālĭter: adv., v. mortalis.
Latin > French (Gaffiot 2016)
mortālĭtĕr, dans la condition mortelle : Aug. Ench. 64.