Encenia

from The Collaborative International Dictionary of English v.0.48
Encenia \En*ce"ni*a\, n. pl. [LL. encaenia, fr. Gr. ? a feast of
   dedication; ? in + ? new.]
   A festival commemorative of the founding of a city or the
   consecration of a church; also, the ceremonies (as at Oxford
   and Cambridge, England) commemorative of founders or
   benefactors.
   [1913 Webster]
    

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