pistillum
From LSJ
Ἐς δὲ τὰ ἔσχατα νουσήματα αἱ ἔσχαται θεραπεῖαι ἐς ἀκριβείην, κράτισται → But for extreme illnesses, extreme remedies, applied with severe exactitude, are the best (Hippocrates, Aphorism 6)
Latin > English (Lewis & Short)
pistillum: i, n., and pistillus, i, m.,
I a pounder, pestle of a mortar, Plaut. Aul. 1, 2, 17: semen sinapis in mortarium conicito et pistillis conterito, Col. 12, 55; Plin. 34, 18, 50, § 169: pistillum grande est, Auct. ap. Non. 221, 5 (yet pastillum appears to be the more correct reading).
Latin > French (Gaffiot 2016)
pistillum,¹⁶ ī, n., et -llus, ī, m., pilon : Pl. Aul. 95 ; Col. Rust. 12, 57 ; Plin. 34, 169.