masc nom sg of kāyasakkhi (adj); fem nom sg of kāyasakkhi (adj); nt nom sg of kāyasakkhi (adj); nt acc sg of kāyasakkhi (adj); …
Analysis. Compound: kāya (body) + sakkhi (witness). In the Canon, kāyasakkhi denotes one who has realized the Dhamma through direct bodily experience of the jhānas and formless attainments, not merely through intellectual understanding.
Etymology. kāya 'body' (from PIE *kewe- 'to swell'; cf. Sanskrit kavaya-) + sakkhi 'witness, eye-witness' (from √sac- 'to follow, attend', connected to Latin sequi; sakkhi = 'one who follows/attends' → 'one who testifies'). The compound reflects the Buddhist epistemology that direct bodily experience (kāya) of meditative states constitutes valid testimony to the Dhamma.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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