accusative singular neuter of patirūpa (adjective)
Analysis. paṭi + rūpa: 'back-facing' or 'corresponding to form/appearance', hence matching, fitting, suitable.
Etymology. paṭi- (back, against, in return, counter to) + rūpa (form, appearance, beauty). The prefix gives the sense of 'matching back' or 'corresponding to', so the word means 'in keeping with, fitting'. Sanskrit pratirūpa.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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