(pl) -cas, -ca. a member of a North American Indian people formerly living south of Lake Ontario; one of the Iroquois peoples
the language of this people, belonging to the Iroquoian family
C19: from Dutch Sennecaas (plural), probably of Algonquian origin
Lucius Annaeus (əˈniːəs), called the Younger. ?4 bc–65 ad, Roman philosopher, statesman, and dramatist; tutor and adviser to Nero. He was implicated in a plot to murder Nero and committed suicide. His works include Stoical essays on ethical subjects and tragedies that had a considerable influence on Elizabethan drama
his father, Marcus (ˈmɑːkəs) or Lucius Annaeus, called the Elder or the Rhetorician. ?55 bc–?39 ad, Roman writer on oratory and history
1616, from Du. Sennecas, collective name for the upper N.Y. Iroquois tribes, of uncertain origin, perhaps from a Mahican name for the Oneida or their village. Earlier sinnekens, senakees; form probably infl. by the name of the ancient Roman philosopher.