naturale
From LSJ
ξυνῆλθεν ἀτταγᾶς τε καὶ νουμήνιος → birds of a feather flock together, the francolin and the new-moon bird get together
Latin > French (Gaffiot 2016)
nātūrāle, is, n. (naturalis), a) besoin naturel : Amm. 30, 1, 20 ; b) parties naturelles : Cels. Med. 5, 26, 13 ; surt. au pl. naturalia Cels. Med. 5, 20, 4 ; Col. Rust. 6, 27, 10 ; Just. 1, 4, 2.