trialismn.
/ˈtrʌɪəlɪz(ə)m/ 1. The doctrine of the threefold constitution of man, as body, soul, and spirit, or other three separate essences.
ΚΠ
1891 in Cent. Dict.
2. A union of three states or countries.
ΘΚΠ
society > authority > rule or government > a or the state > [noun] > a union or confederacy of states
confederation1621
confederacy1681
incorporating union1706
United States1784
federacy1803
trialism1908
union1909
1908 Westm. Gaz. 16 Jan. 2/1 The substitution of a Trialism, consisting of Austria, Hungary, and Bohemia,..for the present Dualism.
1911 Q. Rev. July 260 There has been revived in Austria the idea of ‘trialism’, that is to say, the amalgamation of all the Servo-Croatian countries of the Monarchy into a unit, which, with the German States and Hungary, would form a kind of federal empire.
This entry has not yet been fully updated (first published 1914; most recently modified version published online March 2018).
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n.1891