ἐνετέον
From LSJ
Οὐκ ἔστιν ἀγαθὸν ἐν ἀνθρώπῳ ὃ φάγεται καὶ ὃ πίεται καὶ ὃ δείξει τῇ ψυχῇ αὐτοῦ ἀγαθὸν ἐν μόχθῳ αὐτοῦ (Ecclesiastes 2:24, LXX version) → What is good in a human is not what he eats and drinks and shows off to his soul as a benefit of his labor
English (LSJ)
(ἐνίημι)
A one must treat with injections or clysters, Sor.2.44, Orib.Fr.60, Herod.Med. in Rh.Mus.58.85.
Greek (Liddell-Scott)
ἐνετέον: ῥηματ. ἐπίθ. τοῦ ἐνίημι, δεῖ ἐνιέναι, Ὀρειβ. τ. 4, σ. 575, ἔκδ. Dar.