feminine nominative singular paṭipadā + iti (quoted form)
Analysis. paṭi- (back, counter to) + pada (foot, step, position); literally 'a stepping back against', hence a way or path one treads in practice or argument. The -ā ending marks feminine, and -ti marks the quotative particle 'thus, saying'.
Etymology. pada derives from the root √pad 'to step, walk' (cognate with Latin pedem, English foot, Greek pous). The prefix paṭi- (back, against, in return) originally carries the sense of counter-motion or opposition; here it suggests a path one 'steps back into' or 'walks in response to' — a grounded, methodical way of practice. The compound came to mean not hostile opposition but rather a path one follows intentionally, especially in the teaching and in debate.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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