viki-vaki

a, m. [this word, which hardly occurs in old writers, seems in the 15th century to have been adopted]:—a weekly wake, popular festival meetings and entertainments on Sunday evenings, with song and dance; förum vér til vikivaka | værðir þar og hvíld að taka, Eggert; songs and ballads sung at such weekly wakes were called either vikivaka-kvæði or forn-kvæði, q. v.