A.celebrate a night-festival, keep vigil, Sapph.Supp.17.3, etc.; “τῇ θεᾷ” Ar.Ra.448; “π. περὶ τὰ ἀγάλματα” Timae.127; “π. ἑορτήν” Hdn.1.17.6, etc.:—Med., Luc.DMeretr.14.1.
II. generally, do anything the livelong night, φλὸξ συνεχὲς π. it lasts all night long, Pi.I.4(3).65; παννυχίζων all night long, Ar.Fr.695 (lyr.): c. acc., π. τὴν νύκτα spend the livelong night, Id.Nu.1069.