σφονδύλιον
From LSJ
βωμὸν Ἀριστοτέλης ἱδρύσατο τόνδε Πλάτωνος, ἀνδρὸς ὃν οὐδ' αἰνεῖν τοῖσι κακοῖσι θέμις → Aristotle had this altar of Plato set up — Plato, a man whom the wicked dare not even mention in praise
English (LSJ)
[ῠ], τό, Dim. (in form only) of σφόνδυλος, Il.20.483 (pl.), Antim.65. II cow-parsnip, Heracleum sphondylium, Dsc.3.76; σφονδύλειον [ῡ], Nic. Th.948; σπονδύλιον, Sor.1.63, Gal.14.180; spondylium, Plin. HN12.128. III = κόκκυξ IV, Poll.2.182.