-partism

noun combining form

-par·​tism

¦pär|ˌtizəm,

¦pȧ| also |tˌizəm

plural -s

: tendency toward or active operation of a (specified) number of political parties in a governmental system

multi-partism

Word History

Etymology

French -partisme, from parti political party (from Middle French, match, party, decision) + -isme

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