εὐφόρβιον
From LSJ
ἅτε γὰρ ἐννάλιον πόνον ἐχοίσας βαθύν σκευᾶς ἑτέρας, ἀβάπτιστος εἶμι φελλὸς ὣς ὑπὲρ ἕρκος ἅλμας → for just as when the rest of the tackle labors in the depths of the sea, like a cork I shall go undipped over the surface of the brine | as when the other part of the tackle is laboring deep in the sea, I go unsoaked like a cork above the surface of the sea
English (LSJ)
τό,
A spurge, Euphorbia resinifera, Dsc.3.82, Gal.13.270; freq. also, its resinous juice, S.E.P.1.93, Edict.Diocl.32.70.