The word for Christmas in late Old English is Cristes Maesse, the Mass of Christ, first found in 1038, and Cristes-messe, in 1131. In Dutch it is Kerst-misse, in Latin Dies Natalis, whence comes the French Noėl, and Italian Il natale; in German Weihnachtsfest, from the preceeding sacred vigil. The term Yule is of disputed origin. It is unconnected with any word meaning "wheel". The name in Anglo-Saxon was geol, feast: geola, the name of a month (cf. Icelandic iol a feast in December). Christmas was not among the earliest festivals of the Church. Irenaeus and Tertullian omit it from...