θεσμοφόρια
From LSJ
Ἔλπιζε τιμῶν τοὺς θεοὺς πράξειν καλῶς → Spera felicitatem, si deos colas → Erhoffe Wohlergeh'n, wenn du die Götter ehrst
English (LSJ)
ων, τά, women's festival at Athens and elsewhere, in honour of Demeter Θες μοφόρος (q.v.), Hdt.2.171, Ar.Av.1519, Th. 80, 182, al.; θ. ἑστιᾶν τὰς γυναῖκας to furnish the women's feast
A at the Th., Is.3.80; at Ephesus, Hdt.6.16.