ἔνεσις
From LSJ
Ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → Life is not worth living if you do not have at least one friend.
English (LSJ)
εως, ἡ, (ἐνίημι)
A injection, φύσης ἐνιεμένης ἐς τὴν κοιλίην Hp. Art.48, cf. Hero Spir.2.18, Orib.Syn.9.14.1.
German (Pape)
[Seite 839] ἡ, das Hineinthun, Einspritzen, Medic.