ὑόσερις
From LSJ
Ἀναξαγόρας δύο ἔλεγε διδασκαλίας εἶναι θανάτου, τόν τε πρὸ τοῦ γενέσθαι χρόνον καὶ τὸν ὕπνον → Anaxagoras used to say that we have two teachers for death: the time before we were born and sleep | Anaxagoras said that there are two rehearsals for death: the time before being born and sleep
English (LSJ)
ἡ, A swine's endive, hawk's-beard, Crepis neglecta, Plin.HN 27.90.
Greek (Liddell-Scott)
ὑόσερις: ἡ, εἶδος σέρεως, «ἀντιδιοῦ», Centaurea niga, Πλίν. 27. 64.