neuter singular nominative (or accusative) of the adjective parisuddhā, possibly from a past participle used as adjective; the form parisuddhaṁ is a contracted or sandhi variant.
Analysis. pari- (around, all the way round, completeness) + suddhā (pure, clean, from √suddh- to purify). The prefix pari- intensifies the meaning of suddhā into 'complete purity on all sides', used in doctrinal contexts to describe purification of the mind or conduct.
Etymology. pari- < PIE *per- (forward, around); suddhā from √suldh- (to cleanse), related to Sanskrit śuddha. The root belongs to the family of √sudh-, and pari- adds the sense of thoroughness and completeness—purity reached on every side.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
Lite mode — plain HTML for e-readers and old browsers. Full version