mid-15c., from Middle French puissant "strong, mighty, powerful," earlier poissant (12c.), from stem of Old French poeir "to be able" (see power (n.)). Related: Puissantly.
pugnacious
pugnacity
pug-nose
puisne
puissance
puissant
puka
puke
pulchritude
pulchritudinous
pule
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