παννυχίζω

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.