Question: where did the idea of having a senate come from

title: Senate
text: The modern word Senate is derived from the ( Latin ) word senātus ( senate ) , which comes from senex , `` old man '' . The members or legislators of a senate are called senators . The Latin word senator was adopted into English with no change in spelling . Its meaning is derived from a very ancient form of social organization , in which advisory or decision - making powers are reserved for the eldest men . For the same reason , the word senate is correctly used when referring to any powerful authority characteristically composed by the eldest members of a community , as a deliberative body of a faculty in an institution of higher learning is often called a senate . This form adaptation was used to show the power of those in body and for the decision - making process to be thorough , which could take a long period of time . The original senate was the Roman Senate , which lasted until at least AD 603 , although various efforts to revive it were made in Medieval Rome ) . In the Eastern Roman Empire , the Byzantine Senate continued until the Fourth Crusade , circa 1202 -- 1204 . 

Answer: answer: The modern word Senate is derived from senex, ``old man''. Its meaning is derived from a very ancient form of social organization, in which advisory or decision making powers are reserved for the eldest men.