fem nom sg of rati (noun); fem voc sg of rati (noun); fem voc sg of ratī (noun)
Etymology. From √rā (to grant, bestow, or enjoy); cognate with Sanskrit rāti, Latin rārus (thin, spare — originally 'thinned out by distribution'), and possibly English rare. The root's sense of 'giving out' or 'distributing' → 'enjoying what flows to one' → 'pleasure, delight'. In Pali usage, rati denotes the affective response to sense-objects and mental states, central to doctrinal analysis of craving (taṇhā) and attachment.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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