neuter nominative or accusative singular, with enclitic api (even, also)
Analysis. jātisahassa (one thousand lives) + api (even, also): a neuter compound meaning 'even a thousand lives', used in doctrinal contexts to emphasize the length of time or the magnitude of suffering across many rebirths.
Etymology. jāti (birth, rebirth) from √jan (to be born), cognate with Latin gignō, genus, English kin; sahassa (thousand) from Indo-European *k̑m̑-to- (cognate with English hundred, Latin centum, Greek hekatón). The compound stresses the vast temporal span of saṃsāra.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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