spondylium
From LSJ
μὴ ἐν πολλοῖς ὀλίγα λέγε, ἀλλ΄ ἐν ὀλίγοις πολλά → don't say little in many words, but much in a few words (Stobaeus quoting Pythagoras)
Latin > French (Gaffiot 2016)
spondўlĭum (-ŏn), ĭī, n. (σπονδύλιον), berce brancursine [plante] : Plin. 12, 128 ; 24, 25 || partie charnue des huîtres : C. Aur. Chron. 3, 2, 25.