puissant [pyoo-uh-suh nt, pyoo-is-uh nt, pwis-uh nt]
adjective Literary.
1. powerful; mighty; potent.
Origin: 1400-50; late Middle English < Middle French < Vulgar Latin *possent- (stem of *possēns), for Latin potent- (stem of potēns), present participle of posse to be able, have power; see potent, -ant
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