castoreum
From LSJ
κακοὶ μάρτυρες ἀνθρώποισιν ὀφθαλμοὶ καὶ ὦτα βαρβάρους ψυχὰς ἐχόντων → eyes and ears are poor witnesses for men if their souls do not understand the language (Heraclitus Phil.: Fr. B 107; Testimonia: Fragment 16, line 6)
Latin > English (Lewis & Short)
castŏrĕum: ei, n. 1. castor,
I castor or castoreum, a secretion of the beaver having a strong odor, Plin. 8, 30, 47, § 109; Lucr. 6, 794; Cels. 6, 7, 8; Scrib. 3.—In plur., Verg. G. 1, 59; Plin. 32, 9, 31, § 101; Nemes. C. 224.
Latin > French (Gaffiot 2016)
castŏrĕum,¹⁴ ī, n., Lucr. 6, 794, et castŏrĕa, ōrum, n., Virg. G. 1, 59, castoréum, médicament tiré du castor.