Διάσια
From LSJ
τὸ κακὸν δοκεῖν ποτ' ἐσθλὸν τῷδ' ἔμμεν' ὅτῳ φρένας θεὸς ἄγει πρὸς ἄταν → evil appears as good to him whose mind the god is leading to destruction (Sophocles, Antigone 622f.)
English (LSJ)
τά,
A the festival of Zeus μειλίχιος, at Athens, Ar.Nu.408, Th.1.126, etc. [ᾰς Ar. l. c., cf. Sch. ad v. 862.]
Greek (Liddell-Scott)
Δῑάσια: τά, ἑορτὴ τοῦ Διὸς μειλιχίου, ἐν Ἀθήναις, Θουκ. 1. 126. Ἀριστοφ. Νεφ. 408, κτλ. [ᾰσ ἔνθ’ ἀνωτ., πρβλ. Σχόλ. 862]