quartumvirate

== English == === Etymology === From quārtus (“fourth”) + the latter part of triumvirate, possibly originally as a variant of quatrumvirate, itself a variant of quadrumvirate. === Noun === quartumvirate (plural quartumvirates) Alternative form of quattuorvirate: rule by four people. === References === "quartumvirate, n.", in the Oxford English Dictionary, Oxford: Oxford University Press. === Anagrams === quatrumvirate