Eisteddfod (n.) Look up Eisteddfod at Dictionary.com
"annual assembly of Welsh bards," 1822, from Welsh eisteddfod "congress of bards or literati," literally "a session, a sitting," from eistedd "to sit" (from sedd "seat," from PIE root *sed- (1) "to sit") + bod "to be" (cognate with Old English beon; see be). The Welsh plural is eisteddfodau.