χορευτέον
From LSJ
ἀναγκαίως δ' ἔχει βίον θερίζειν ὥστε κάρπιμον στάχυν, καὶ τὸν μὲν εἶναι, τὸν δὲ μή → But it is our inevitable lot to harvest life like a fruitful crop, for one of us to live, one not. (Euripides, Hypsipyle fr. 60.94ff.)
English (LSJ)
A one must dance, E.Ba.324.
German (Pape)
[Seite 1365] adj. verb. von χορεύω, man muß Chortänze aufführen, Eur. Bacch. 305.
Greek (Liddell-Scott)
χορευτέον: ῥηματ. ἐπίθετον τοῦ χορεύω, δεῖ χορεύειν, Εὐρ. Βάκχ. 324.