σπειστέον
From LSJ
ὀδοῦσι καὶ ὄνυξι καὶ πάσῃ μηχανῇ → tooth and nail | tooth, fang, and claw | in every possible way | by hook or by crook
English (LSJ)
(σπένδω) one must pour a drink offering, Poll.10.65.
Greek (Liddell-Scott)
σπειστέον: ῥηματ. ἐπίθετ. τοῦ σπένδω, πρέπει τις νὰ χύσῃ σπονδὴν ἢ προσφορὰν ἐκ ποτοῦ, Πολυδ. Ι΄, 65.