What is the X in X-mas?
plant fiber, 1746, from Bengali jhuto, from Sanskrit juta-s "twisted hair," related to jata "braid of hair," of unknown origin, probably from a non-Indo-European language.
Old English Eotas, one of the ancient Germanic inhabitants of Jutland in Denmark; traditionally they were said to have settled in Kent and Hampshire during the 5c. invasion of Britain. The name is related to Old Norse Iotar.